12686412572 has 6 divisors (see below), whose sum is σ = 22201222008. Its totient is φ = 6343206284.

The previous prime is 12686412553. The next prime is 12686412601. The reversal of 12686412572 is 27521468621.

12686412572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585801568 + ... + 1585801575.

It is an arithmetic number, because the mean of its divisors is an integer number (3700203668).

Almost surely, 2^12686412572 is an apocalyptic number.

It is an amenable number.

12686412572 is a deficient number, since it is larger than the sum of its proper divisors (9514809436).

12686412572 is a wasteful number, since it uses less digits than its factorization.

12686412572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171603147 (or 3171603145 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The spelling of 12686412572 in words is "twelve billion, six hundred eighty-six million, four hundred twelve thousand, five hundred seventy-two".