12345...54321 (67-digits)

This number is a prime.

1234567 0000000000 0000000000 0000000000 0000000000 0000000000 0007654321

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The smallest palindromic prime of the form 12345670...0...07654321. [Marcel]

Submitted: 2026-01-08 14:11:00; Last Modified: 2026-01-08 14:36:47.