12568775004520 has 64 divisors (see below), whose sum is σ = 32322910924800. Its totient is φ = 4308867118080.

The previous prime is 12568775004517. The next prime is 12568775004571. The reversal of 12568775004520 is 2540057786521.

It is a super-2 number, since 2×12568775004520² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611296 + ... + 5050864.

It is an arithmetic number, because the mean of its divisors is an integer number (505045483200).

Almost surely, 2^{12568775004520} is an apocalyptic number.

12568775004520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12568775004520 is an abundant number, since it is smaller than the sum of its proper divisors (19754135920280).

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

12568775004520 is a wasteful number, since it uses less digits than its factorization.

12568775004520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449698 (or 4449694 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 12568775004520 in words is "twelve trillion, five hundred sixty-eight billion, seven hundred seventy-five million, four thousand, five hundred twenty".