12976351208 has 8 divisors (see below), whose sum is σ = 24330658530. Its totient is φ = 6488175600.

The previous prime is 12976351177. The next prime is 12976351231. The reversal of 12976351208 is 80215367921.

It can be written as a sum of positive squares in only one way, i.e., 9448228804 + 3528122404 = 97202^2 + 59398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811021943 + ... + 811021958.

Almost surely, 2^12976351208 is an apocalyptic number.

It is an amenable number.

12976351208 is a deficient number, since it is larger than the sum of its proper divisors (11354307322).

12976351208 is a wasteful number, since it uses less digits than its factorization.

12976351208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622043907 (or 1622043903 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 12976351208 in words is "twelve billion, nine hundred seventy-six million, three hundred fifty-one thousand, two hundred eight".