12404400412 has 12 divisors (see below), whose sum is σ = 21709094680. Its totient is φ = 6201801936.

The previous prime is 12404400409. The next prime is 12404400427. The reversal of 12404400412 is 21400440421.

It is a congruent number.

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, 22938 + ... + 159169.

Almost surely, 2^12404400412 is an apocalyptic number.

It is an amenable number.

12404400412 is a deficient number, since it is larger than the sum of its proper divisors (9304694268).

12404400412 is a wasteful number, since it uses less digits than its factorization.

12404400412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199140 (or 199138 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12404400412 its reverse (21400440421), we get a palindrome (33804840833).

The spelling of 12404400412 in words is "twelve billion, four hundred four million, four hundred thousand, four hundred twelve".