12404312344 has 96 divisors (see below), whose sum is σ = 26080509600. Its totient is φ = 5518684160.

The previous prime is 12404312329. The next prime is 12404312357. The reversal of 12404312344 is 44321340421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4731354 + ... + 4733974.

It is an arithmetic number, because the mean of its divisors is an integer number (271671975).

Almost surely, 2^12404312344 is an apocalyptic number.

It is an amenable number.

12404312344 is an abundant number, since it is smaller than the sum of its proper divisors (13676197256).

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

12404312344 is a wasteful number, since it uses less digits than its factorization.

12404312344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12404312344 its reverse (44321340421), we get a palindrome (56725652765).

The spelling of 12404312344 in words is "twelve billion, four hundred four million, three hundred twelve thousand, three hundred forty-four".