12976812173278 has 8 divisors (see below), whose sum is σ = 19465252761600. Its totient is φ = 6488394586080.

The previous prime is 12976812173267. The next prime is 12976812173279. The reversal of 12976812173278 is 87237121867921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976812173279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4262878 + ... + 6642721.

It is an arithmetic number, because the mean of its divisors is an integer number (2433156595200).

Almost surely, 2^{12976812173278} is an apocalyptic number.

12976812173278 is a deficient number, since it is larger than the sum of its proper divisors (6488440588322).

12976812173278 is a wasteful number, since it uses less digits than its factorization.

12976812173278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500562.

The product of its digits is 28449792, while the sum is 64.

The spelling of 12976812173278 in words is "twelve trillion, nine hundred seventy-six billion, eight hundred twelve million, one hundred seventy-three thousand, two hundred seventy-eight".