12696476177344 has 28 divisors (see below), whose sum is σ = 25195789261864. Its totient is φ = 6347930851584.

The previous prime is 12696476177321. The next prime is 12696476177401. The reversal of 12696476177344 is 44377167469621.

It is a super-2 number, since 2×12696476177344² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12696476177344.

It is a congruent number.

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, 3464979 + ... + 6115474.

Almost surely, 2^{12696476177344} is an apocalyptic number.

It is an amenable number.

12696476177344 is a deficient number, since it is larger than the sum of its proper divisors (12499313084520).

12696476177344 is an equidigital number, since it uses as much as digits as its factorization.

12696476177344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601172 (or 9601162 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 67.

The spelling of 12696476177344 in words is "twelve trillion, six hundred ninety-six billion, four hundred seventy-six million, one hundred seventy-seven thousand, three hundred forty-four".