12857236108 has 12 divisors (see below), whose sum is σ = 22502595472. Its totient is φ = 6427923120.

The previous prime is 12857236061. The next prime is 12857236111. The reversal of 12857236108 is 80163275821.

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, 130935 + ... + 207022.

Almost surely, 2^12857236108 is an apocalyptic number.

It is an amenable number.

12857236108 is a deficient number, since it is larger than the sum of its proper divisors (9645359364).

12857236108 is a wasteful number, since it uses less digits than its factorization.

12857236108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347472 (or 347470 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 12857236108 in words is "twelve billion, eight hundred fifty-seven million, two hundred thirty-six thousand, one hundred eight".