12951403056385 has 16 divisors (see below), whose sum is σ = 15558023178432. Its totient is φ = 10350230904000.

The previous prime is 12951403056323. The next prime is 12951403056437. The reversal of 12951403056385 is 58365030415921.

It is not a de Polignac number, because 12951403056385 - 2¹⁵ = 12951403023617 is a prime.

It is a super-2 number, since 2×12951403056385² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77446110 + ... + 77613160.

It is an arithmetic number, because the mean of its divisors is an integer number (972376448652).

Almost surely, 2^{12951403056385} is an apocalyptic number.

It is an amenable number.

12951403056385 is a deficient number, since it is larger than the sum of its proper divisors (2606620122047).

12951403056385 is a wasteful number, since it uses less digits than its factorization.

12951403056385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183264.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 12951403056385 in words is "twelve trillion, nine hundred fifty-one billion, four hundred three million, fifty-six thousand, three hundred eighty-five".