12311344504 has 32 divisors (see below), whose sum is σ = 24495696000. Its totient is φ = 5788232032.

The previous prime is 12311344501. The next prime is 12311344541. The reversal of 12311344504 is 40544311321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311344501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556174 + ... + 577885.

It is an arithmetic number, because the mean of its divisors is an integer number (765490500).

Almost surely, 2^12311344504 is an apocalyptic number.

It is an amenable number.

12311344504 is a deficient number, since it is larger than the sum of its proper divisors (12184351496).

12311344504 is a wasteful number, since it uses less digits than its factorization.

12311344504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134147 (or 1134143 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12311344504 its reverse (40544311321), we get a palindrome (52855655825).

The spelling of 12311344504 in words is "twelve billion, three hundred eleven million, three hundred forty-four thousand, five hundred four".