12666670507308 has 24 divisors (see below), whose sum is σ = 29556784535040. Its totient is φ = 4222049214160.

The previous prime is 12666670507279. The next prime is 12666670507349. The reversal of 12666670507308 is 80370507666621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21483048 + ... + 22064783.

It is an arithmetic number, because the mean of its divisors is an integer number (1231532688960).

Almost surely, 2^{12666670507308} is an apocalyptic number.

It is an amenable number.

12666670507308 is an abundant number, since it is smaller than the sum of its proper divisors (16890114027732).

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

12666670507308 is a wasteful number, since it uses less digits than its factorization.

12666670507308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43572077 (or 43572075 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 12666670507308 in words is "twelve trillion, six hundred sixty-six billion, six hundred seventy million, five hundred seven thousand, three hundred eight".