12516641334 has 12 divisors (see below), whose sum is σ = 27119389596. Its totient is φ = 4172213772.

The previous prime is 12516641327. The next prime is 12516641351. The reversal of 12516641334 is 43314661521.

12516641334 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 6 + 641 + 3 + 3 + 4 = 666.

It is a congruent number.

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, 347684464 + ... + 347684499.

It is an arithmetic number, because the mean of its divisors is an integer number (2259949133).

Almost surely, 2^12516641334 is an apocalyptic number.

12516641334 is an abundant number, since it is smaller than the sum of its proper divisors (14602748262).

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

12516641334 is a wasteful number, since it uses less digits than its factorization.

12516641334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695368971 (or 695368968 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 12516641334 in words is "twelve billion, five hundred sixteen million, six hundred forty-one thousand, three hundred thirty-four".