12747513432120 has 128 divisors (see below), whose sum is σ = 39908540989440. Its totient is φ = 3251272273920.

The previous prime is 12747513432113. The next prime is 12747513432139. The reversal of 12747513432120 is 2123431574721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34528905 + ... + 34896135.

It is an arithmetic number, because the mean of its divisors is an integer number (311785476480).

Almost surely, 2^{12747513432120} is an apocalyptic number.

12747513432120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12747513432120 is an abundant number, since it is smaller than the sum of its proper divisors (27161027557320).

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

12747513432120 is a wasteful number, since it uses less digits than its factorization.

12747513432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379845 (or 379841 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 12747513432120 in words is "twelve trillion, seven hundred forty-seven billion, five hundred thirteen million, four hundred thirty-two thousand, one hundred twenty".