12912791516288 has 32 divisors (see below), whose sum is σ = 25740171125760. Its totient is φ = 6452513273088.

The previous prime is 12912791516227. The next prime is 12912791516321. The reversal of 12912791516288 is 88261519721921.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12912791516288.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30118220 + ... + 30543947.

It is an arithmetic number, because the mean of its divisors is an integer number (804380347680).

Almost surely, 2^{12912791516288} is an apocalyptic number.

It is an amenable number.

12912791516288 is a deficient number, since it is larger than the sum of its proper divisors (12827379609472).

12912791516288 is an equidigital number, since it uses as much as digits as its factorization.

12912791516288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60663844 (or 60663832 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 62.

The spelling of 12912791516288 in words is "twelve trillion, nine hundred twelve billion, seven hundred ninety-one million, five hundred sixteen thousand, two hundred eighty-eight".