12907688208 has 40 divisors (see below), whose sum is σ = 34054332288. Its totient is φ = 4211018112.

The previous prime is 12907688197. The next prime is 12907688237. The reversal of 12907688208 is 80288670921.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2858491 + ... + 2863002.

Almost surely, 2^12907688208 is an apocalyptic number.

It is an amenable number.

12907688208 is an abundant number, since it is smaller than the sum of its proper divisors (21146644080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12907688208 is a wasteful number, since it uses less digits than its factorization.

12907688208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721551 (or 5721545 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 12907688208 in words is "twelve billion, nine hundred seven million, six hundred eighty-eight thousand, two hundred eight".