12400304044 has 12 divisors (see below), whose sum is σ = 21903341544. Its totient is φ = 6142206464.

The previous prime is 12400304029. The next prime is 12400304071. The reversal of 12400304044 is 44040300421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14485909 + ... + 14486764.

It is an arithmetic number, because the mean of its divisors is an integer number (1825278462).

Almost surely, 2^12400304044 is an apocalyptic number.

It is an amenable number.

12400304044 is a deficient number, since it is larger than the sum of its proper divisors (9503037500).

12400304044 is a wasteful number, since it uses less digits than its factorization.

12400304044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28972784 (or 28972782 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12400304044 its reverse (44040300421), we get a palindrome (56440604465).

The spelling of 12400304044 in words is "twelve billion, four hundred million, three hundred four thousand, forty-four".