12331002004 has 12 divisors (see below), whose sum is σ = 21801720724. Its totient is φ = 6101938944.

The previous prime is 12331001999. The next prime is 12331002041. The reversal of 12331002004 is 40020013321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2176409104 + 10154592900 = 46652^2 + 100770^2 .

It is a super-2 number, since 2×12331002004² (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 3 ways as a sum of consecutive naturals, for example, 15890079 + ... + 15890854.

Almost surely, 2^12331002004 is an apocalyptic number.

It is an amenable number.

12331002004 is a deficient number, since it is larger than the sum of its proper divisors (9470718720).

12331002004 is a wasteful number, since it uses less digits than its factorization.

12331002004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31781034 (or 31781032 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12331002004 its reverse (40020013321), we get a palindrome (52351015325).

The spelling of 12331002004 in words is "twelve billion, three hundred thirty-one million, two thousand, four".