12717932851120 has 80 divisors (see below), whose sum is σ = 34200513527040. Its totient is φ = 4307898753792.

The previous prime is 12717932851109. The next prime is 12717932851121. The reversal of 12717932851120 is 2115823971721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (12717932851121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136764330 + ... + 136857289.

It is an arithmetic number, because the mean of its divisors is an integer number (427506419088).

Almost surely, 2^{12717932851120} is an apocalyptic number.

12717932851120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12717932851120 is an abundant number, since it is smaller than the sum of its proper divisors (21482580675920).

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

12717932851120 is a wasteful number, since it uses less digits than its factorization.

12717932851120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273621722 (or 273621716 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 12717932851120 in words is "twelve trillion, seven hundred seventeen billion, nine hundred thirty-two million, eight hundred fifty-one thousand, one hundred twenty".