12331022304 has 48 divisors (see below), whose sum is σ = 32522394240. Its totient is φ = 4090853760.

The previous prime is 12331022299. The next prime is 12331022317. The reversal of 12331022304 is 40322013321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×12331022304² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284124 + ... + 324635.

It is an arithmetic number, because the mean of its divisors is an integer number (677549880).

Almost surely, 2^12331022304 is an apocalyptic number.

It is an amenable number.

12331022304 is an abundant number, since it is smaller than the sum of its proper divisors (20191371936).

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

12331022304 is a wasteful number, since it uses less digits than its factorization.

12331022304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608983 (or 608975 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12331022304 its reverse (40322013321), we get a palindrome (52653035625).

The spelling of 12331022304 in words is "twelve billion, three hundred thirty-one million, twenty-two thousand, three hundred four".