12538646470124 has 6 divisors (see below), whose sum is σ = 21942631322724. Its totient is φ = 6269323235060.

The previous prime is 12538646470093. The next prime is 12538646470159. The reversal of 12538646470124 is 42107464683521.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567330808762 + ... + 1567330808769.

It is an arithmetic number, because the mean of its divisors is an integer number (3657105220454).

Almost surely, 2^{12538646470124} is an apocalyptic number.

It is an amenable number.

12538646470124 is a deficient number, since it is larger than the sum of its proper divisors (9403984852600).

12538646470124 is a wasteful number, since it uses less digits than its factorization.

12538646470124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134661617535 (or 3134661617533 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 12538646470124 in words is "twelve trillion, five hundred thirty-eight billion, six hundred forty-six million, four hundred seventy thousand, one hundred twenty-four".