12718794452 has 48 divisors (see below), whose sum is σ = 28278039552. Its totient is φ = 4869296640.

The previous prime is 12718794397. The next prime is 12718794463. The reversal of 12718794452 is 25449781721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12718794452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552293 + ... + 574860.

It is an arithmetic number, because the mean of its divisors is an integer number (589125824).

Almost surely, 2^12718794452 is an apocalyptic number.

It is an amenable number.

12718794452 is an abundant number, since it is smaller than the sum of its proper divisors (15559245100).

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

12718794452 is a wasteful number, since it uses less digits than its factorization.

12718794452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127208 (or 1127206 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 50.

The spelling of 12718794452 in words is "twelve billion, seven hundred eighteen million, seven hundred ninety-four thousand, four hundred fifty-two".