12568813881950 has 48 divisors (see below), whose sum is σ = 23411413024560. Its totient is φ = 5020343032320.

The previous prime is 12568813881941. The next prime is 12568813881961. The reversal of 12568813881950 is 5918831886521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117646457 + ... + 117753243.

It is an arithmetic number, because the mean of its divisors is an integer number (487737771345).

Almost surely, 2^{12568813881950} is an apocalyptic number.

12568813881950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12568813881950 is a deficient number, since it is larger than the sum of its proper divisors (10842599142610).

12568813881950 is a wasteful number, since it uses less digits than its factorization.

12568813881950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110141 (or 110136 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 65.

The spelling of 12568813881950 in words is "twelve trillion, five hundred sixty-eight billion, eight hundred thirteen million, eight hundred eighty-one thousand, nine hundred fifty".