12707515291 has 2 divisors, whose sum is σ = 12707515292. Its totient is φ = 12707515290.

The previous prime is 12707515259. The next prime is 12707515297. The reversal of 12707515291 is 19251570721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12707515291 - 2⁵ = 12707515259 is a prime.

It is a super-2 number, since 2×12707515291² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12707515297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353757645 + 6353757646.

It is an arithmetic number, because the mean of its divisors is an integer number (6353757646).

Almost surely, 2^12707515291 is an apocalyptic number.

12707515291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12707515291 is an equidigital number, since it uses as much as digits as its factorization.

12707515291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 40.

The spelling of 12707515291 in words is "twelve billion, seven hundred seven million, five hundred fifteen thousand, two hundred ninety-one".