12568485582436 has 27 divisors (see below), whose sum is σ = 25585946688729. Its totient is φ = 5386472549808.

The previous prime is 12568485582343. The next prime is 12568485582449. The reversal of 12568485582436 is 63428558486521.

The square root of 12568485582436 is 3545206.

It is a perfect power (a square), and thus also a powerful number.

12568485582436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12326460940836 + 242024641600 = 3510906^2 + 491960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49506270 + ... + 49759498.

Almost surely, 2^{12568485582436} is an apocalyptic number.

12568485582436 is the 3545206-th square number.

It is an amenable number.

12568485582436 is an abundant number, since it is smaller than the sum of its proper divisors (13017461106293).

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

12568485582436 is an frugal number, since it uses more digits than its factorization.

12568485582436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506476 (or 253238 counting only the distinct ones).

The product of its digits is 442368000, while the sum is 67.

The spelling of 12568485582436 in words is "twelve trillion, five hundred sixty-eight billion, four hundred eighty-five million, five hundred eighty-two thousand, four hundred thirty-six".