12256660316164 has 12 divisors (see below), whose sum is σ = 23399078785488. Its totient is φ = 5571209234600.

The previous prime is 12256660316119. The next prime is 12256660316203. The reversal of 12256660316164 is 46161306665221.

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, 139280230822 + ... + 139280230909.

It is an arithmetic number, because the mean of its divisors is an integer number (1949923232124).

Almost surely, 2^{12256660316164} is an apocalyptic number.

It is an amenable number.

12256660316164 is a deficient number, since it is larger than the sum of its proper divisors (11142418469324).

12256660316164 is a wasteful number, since it uses less digits than its factorization.

12256660316164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278560461746 (or 278560461744 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 12256660316164 in words is "twelve trillion, two hundred fifty-six billion, six hundred sixty million, three hundred sixteen thousand, one hundred sixty-four".