12510686500616 has 16 divisors (see below), whose sum is σ = 23461134516540. Its totient is φ = 6254383962880.

The previous prime is 12510686500583. The next prime is 12510686500633. The reversal of 12510686500616 is 61600568601521.

It can be written as a sum of positive squares in 2 ways, for example, as 11973330062500 + 537356438116 = 3460250^2 + 733046^2 .

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, 119855501 + ... + 119959836.

Almost surely, 2^{12510686500616} is an apocalyptic number.

It is an amenable number.

12510686500616 is a deficient number, since it is larger than the sum of its proper divisors (10950448015924).

12510686500616 is a wasteful number, since it uses less digits than its factorization.

12510686500616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239821864 (or 239821860 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 12510686500616 in words is "twelve trillion, five hundred ten billion, six hundred eighty-six million, five hundred thousand, six hundred sixteen".