12912791516295 has 64 divisors (see below), whose sum is σ = 22566327114240. Its totient is φ = 6253074329600.

The previous prime is 12912791516227. The next prime is 12912791516321. The reversal of 12912791516295 is 59261519721921.

It is not a de Polignac number, because 12912791516295 - 2⁷ = 12912791516167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 707269807 + ... + 707288063.

It is an arithmetic number, because the mean of its divisors is an integer number (352598861160).

Almost surely, 2^{12912791516295} is an apocalyptic number.

12912791516295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12912791516295 is a deficient number, since it is larger than the sum of its proper divisors (9653535597945).

12912791516295 is a wasteful number, since it uses less digits than its factorization.

12912791516295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23296.

The product of its digits is 6123600, while the sum is 60.

The spelling of 12912791516295 in words is "twelve trillion, nine hundred twelve billion, seven hundred ninety-one million, five hundred sixteen thousand, two hundred ninety-five".