12297279744 has 108 divisors (see below), whose sum is σ = 36414614236. Its totient is φ = 3988279296.

The previous prime is 12297279727. The next prime is 12297279767. The reversal of 12297279744 is 44797279221.

12297279744 is a `hidden beast` number, since 12 + 297 + 279 + 74 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11467839744 + 829440000 = 107088^2 + 28800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13122 + ... + 157374.

Almost surely, 2^12297279744 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 12297279744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18207307118).

12297279744 is an abundant number, since it is smaller than the sum of its proper divisors (24117334492).

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

12297279744 is a wasteful number, since it uses less digits than its factorization.

12297279744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144312 (or 144295 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 12297279744 in words is "twelve billion, two hundred ninety-seven million, two hundred seventy-nine thousand, seven hundred forty-four".