12621602135824 has 80 divisors (see below), whose sum is σ = 27598872666240. Its totient is φ = 5538963584000.

The previous prime is 12621602135809. The next prime is 12621602135851. The reversal of 12621602135824 is 42853120612621.

12621602135824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114228444 + ... + 114338884.

It is an arithmetic number, because the mean of its divisors is an integer number (344985908328).

Almost surely, 2^{12621602135824} is an apocalyptic number.

It is an amenable number.

12621602135824 is an abundant number, since it is smaller than the sum of its proper divisors (14977270530416).

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

12621602135824 is a wasteful number, since it uses less digits than its factorization.

12621602135824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132880 (or 132874 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 12621602135824 in words is "twelve trillion, six hundred twenty-one billion, six hundred two million, one hundred thirty-five thousand, eight hundred twenty-four".