12718258944 has 72 divisors (see below), whose sum is σ = 34036499952. Its totient is φ = 4215951360.

The previous prime is 12718258919. The next prime is 12718258961. The reversal of 12718258944 is 44985281721.

It is a super-2 number, since 2×12718258944² (a number of 21 digits) contains 22 as substring.

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, 93262 + ... + 184754.

It is an arithmetic number, because the mean of its divisors is an integer number (472729166).

Almost surely, 2^12718258944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12718258944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17018249976).

12718258944 is an abundant number, since it is smaller than the sum of its proper divisors (21318241008).

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

12718258944 is an equidigital number, since it uses as much as digits as its factorization.

12718258944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91693 (or 91679 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The spelling of 12718258944 in words is "twelve billion, seven hundred eighteen million, two hundred fifty-eight thousand, nine hundred forty-four".