12944503202520 has 32 divisors (see below), whose sum is σ = 38833509607920. Its totient is φ = 3451867520640.

The previous prime is 12944503202473. The next prime is 12944503202537. The reversal of 12944503202520 is 2520230544921.

It is a super-2 number, since 2×12944503202520² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 53935429891 + ... + 53935430130.

Almost surely, 2^{12944503202520} is an apocalyptic number.

12944503202520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12944503202520 is an abundant number, since it is smaller than the sum of its proper divisors (25889006405400).

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

12944503202520 is a wasteful number, since it uses less digits than its factorization.

12944503202520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107870860035 (or 107870860031 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 12944503202520 in words is "twelve trillion, nine hundred forty-four billion, five hundred three million, two hundred two thousand, five hundred twenty".