12312045304 has 64 divisors (see below), whose sum is σ = 25091488800. Its totient is φ = 5630017536.

The previous prime is 12312045301. The next prime is 12312045307. The reversal of 12312045304 is 40354021321.

It is an interprime number because it is at equal distance from previous prime (12312045301) and next prime (12312045307).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312045301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5825752 + ... + 5827864.

Almost surely, 2^12312045304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12312045304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12545744400).

12312045304 is an abundant number, since it is smaller than the sum of its proper divisors (12779443496).

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

12312045304 is a wasteful number, since it uses less digits than its factorization.

12312045304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12312045304 its reverse (40354021321), we get a palindrome (52666066625).

The spelling of 12312045304 in words is "twelve billion, three hundred twelve million, forty-five thousand, three hundred four".