12875720636632 has 64 divisors (see below), whose sum is σ = 27667814400000. Its totient is φ = 5502786471936.

The previous prime is 12875720636573. The next prime is 12875720636657. The reversal of 12875720636632 is 23663602757821.

It is a happy number.

It is a congruent number.

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, 35560248 + ... + 35920504.

It is an arithmetic number, because the mean of its divisors is an integer number (432309600000).

Almost surely, 2^{12875720636632} is an apocalyptic number.

It is an amenable number.

12875720636632 is an abundant number, since it is smaller than the sum of its proper divisors (14792093763368).

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

12875720636632 is a wasteful number, since it uses less digits than its factorization.

12875720636632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362048 (or 362044 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 12875720636632 in words is "twelve trillion, eight hundred seventy-five billion, seven hundred twenty million, six hundred thirty-six thousand, six hundred thirty-two".