12685090685 has 16 divisors (see below), whose sum is σ = 16120166400. Its totient is φ = 9549563136.

The previous prime is 12685090681. The next prime is 12685090741. The reversal of 12685090685 is 58609058621.

It is not a de Polignac number, because 12685090685 - 2² = 12685090681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685090681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010276 + ... + 1022754.

It is an arithmetic number, because the mean of its divisors is an integer number (1007510400).

Almost surely, 2^12685090685 is an apocalyptic number.

It is an amenable number.

12685090685 is a deficient number, since it is larger than the sum of its proper divisors (3435075715).

12685090685 is a wasteful number, since it uses less digits than its factorization.

12685090685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24460.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 12685090685 in words is "twelve billion, six hundred eighty-five million, ninety thousand, six hundred eighty-five".