12949862871232 has 56 divisors (see below), whose sum is σ = 29579722887680. Its totient is φ = 5510013569280.

The previous prime is 12949862871221. The next prime is 12949862871353. The reversal of 12949862871232 is 23217826894921.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103915944 + ... + 104040487.

It is an arithmetic number, because the mean of its divisors is an integer number (528209337280).

Almost surely, 2^{12949862871232} is an apocalyptic number.

It is an amenable number.

12949862871232 is an abundant number, since it is smaller than the sum of its proper divisors (16629860016448).

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

12949862871232 is a wasteful number, since it uses less digits than its factorization.

12949862871232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207956589 (or 207956579 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 64.

The spelling of 12949862871232 in words is "twelve trillion, nine hundred forty-nine billion, eight hundred sixty-two million, eight hundred seventy-one thousand, two hundred thirty-two".