12312041304 has 16 divisors (see below), whose sum is σ = 30780103320. Its totient is φ = 4104013760.

The previous prime is 12312041297. The next prime is 12312041309. The reversal of 12312041304 is 40314021321.

It is a super-2 number, since 2×12312041304² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312041309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256500837 + ... + 256500884.

Almost surely, 2^12312041304 is an apocalyptic number.

It is an amenable number.

12312041304 is an abundant number, since it is smaller than the sum of its proper divisors (18468062016).

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

12312041304 is a wasteful number, since it uses less digits than its factorization.

12312041304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513001730 (or 513001726 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12312041304 its reverse (40314021321), we get a palindrome (52626062625).

The spelling of 12312041304 in words is "twelve billion, three hundred twelve million, forty-one thousand, three hundred four".