12718316952 has 128 divisors (see below), whose sum is σ = 39582259200. Its totient is φ = 3749846400.

The previous prime is 12718316929. The next prime is 12718316953. The reversal of 12718316952 is 25961381721.

It is a junction number, because it is equal to n+sod(n) for n = 12718316898 and 12718316907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12718316953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15577 + ... + 160247.

It is an arithmetic number, because the mean of its divisors is an integer number (309236400).

Almost surely, 2^12718316952 is an apocalyptic number.

12718316952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12718316952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19791129600).

12718316952 is an abundant number, since it is smaller than the sum of its proper divisors (26863942248).

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

12718316952 is a wasteful number, since it uses less digits than its factorization.

12718316952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144734 (or 144724 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 12718316952 in words is "twelve billion, seven hundred eighteen million, three hundred sixteen thousand, nine hundred fifty-two".