12657015139 has 2 divisors, whose sum is σ = 12657015140. Its totient is φ = 12657015138.

The previous prime is 12657015089. The next prime is 12657015187. The reversal of 12657015139 is 93151075621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12657015139 - 2⁷ = 12657015011 is a prime.

It is not a weakly prime, because it can be changed into another prime (12657015439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6328507569 + 6328507570.

It is an arithmetic number, because the mean of its divisors is an integer number (6328507570).

Almost surely, 2^12657015139 is an apocalyptic number.

12657015139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12657015139 is an equidigital number, since it uses as much as digits as its factorization.

12657015139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 12657015139 in words is "twelve billion, six hundred fifty-seven million, fifteen thousand, one hundred thirty-nine".