12513187568816 has 30 divisors (see below), whose sum is σ = 26648694397836. Its totient is φ = 5687812530400.

The previous prime is 12513187568789. The next prime is 12513187568851. The reversal of 12513187568816 is 61886578131521.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3231709730 + ... + 3231713601.

Almost surely, 2^{12513187568816} is an apocalyptic number.

12513187568816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12513187568816 is an abundant number, since it is smaller than the sum of its proper divisors (14135506829020).

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

12513187568816 is a wasteful number, since it uses less digits than its factorization.

12513187568816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463423361 (or 6463423344 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 62.

The spelling of 12513187568816 in words is "twelve trillion, five hundred thirteen billion, one hundred eighty-seven million, five hundred sixty-eight thousand, eight hundred sixteen".