12851607916 has 12 divisors (see below), whose sum is σ = 25703215888. Its totient is φ = 5507831952.

The previous prime is 12851607911. The next prime is 12851607931. The reversal of 12851607916 is 61970615821.

12851607916 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12851607911) 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, 229492971 + ... + 229493026.

Almost surely, 2^12851607916 is an apocalyptic number.

It is an amenable number.

12851607916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12851607916 is a wasteful number, since it uses less digits than its factorization.

12851607916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458986008 (or 458986006 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 12851607916 in words is "twelve billion, eight hundred fifty-one million, six hundred seven thousand, nine hundred sixteen".