12657079199 has 2 divisors, whose sum is σ = 12657079200. Its totient is φ = 12657079198.

The previous prime is 12657079181. The next prime is 12657079229. The reversal of 12657079199 is 99197075621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12657079199 - 2⁸ = 12657078943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12657079109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6328539599 + 6328539600.

It is an arithmetic number, because the mean of its divisors is an integer number (6328539600).

Almost surely, 2^12657079199 is an apocalyptic number.

12657079199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12657079199 is an equidigital number, since it uses as much as digits as its factorization.

12657079199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2143260, while the sum is 56.

The spelling of 12657079199 in words is "twelve billion, six hundred fifty-seven million, seventy-nine thousand, one hundred ninety-nine".