Paul was NOT one of the TWELVE apostles that will judge the TWELVE tribes of ISRAEL and his name will NOT be on the foundations of the new Jerusalem.
Matt 19:28 (AKJV/PCE)
(19:28) And Jesus said unto them, Verily I say unto you, That ye which have followed me, in the regeneration when the Son of man shall sit in the throne of his glory, ye also shall sit upon twelve thrones, judging the twelve tribes of Israel.
Rev 21:10-14 (AKJV/PCE)
(21:10) And he carried me away in the spirit to a great and high mountain, and shewed me that great city, the holy Jerusalem, descending out of heaven from God, (21:11) Having the glory of God: and her light [was] like unto a stone most precious, even like a jasper stone, clear as crystal; (21:12) And had a wall great and high, [and] had twelve gates, and at the gates twelve angels, and names written thereon, which are [the names] of the twelve tribes of the children of Israel: (21:13) On the east three gates; on the north three gates; on the south three gates; and on the west three gates. (21:14) And the wall of the city had twelve foundations, and in them the names of the twelve apostles of the Lamb.