12872732631903 has 24 divisors (see below), whose sum is σ = 19067156043936. Its totient is φ = 8363850566400.

The previous prime is 12872732631887. The next prime is 12872732631929. The reversal of 12872732631903 is 30913623727821.

It is a happy number.

12872732631903 is a `hidden beast` number, since 1 + 28 + 7 + 273 + 263 + 1 + 90 + 3 = 666.

It is not a de Polignac number, because 12872732631903 - 2⁴ = 12872732631887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12872732631903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12872733631903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17681158 + ... + 18394803.

It is an arithmetic number, because the mean of its divisors is an integer number (794464835164).

Almost surely, 2^{12872732631903} is an apocalyptic number.

12872732631903 is a deficient number, since it is larger than the sum of its proper divisors (6194423412033).

12872732631903 is a wasteful number, since it uses less digits than its factorization.

12872732631903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36076975 (or 36076972 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 12872732631903 in words is "twelve trillion, eight hundred seventy-two billion, seven hundred thirty-two million, six hundred thirty-one thousand, nine hundred three".