12312002332 has 24 divisors (see below), whose sum is σ = 24652718720. Its totient is φ = 5270419440.

The previous prime is 12312002273. The next prime is 12312002333. The reversal of 12312002332 is 23320021321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312002333) 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, 231894 + ... + 279997.

Almost surely, 2^12312002332 is an apocalyptic number.

It is an amenable number.

12312002332 is an abundant number, since it is smaller than the sum of its proper divisors (12340716388).

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

12312002332 is a wasteful number, since it uses less digits than its factorization.

12312002332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512761 (or 512759 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12312002332 its reverse (23320021321), we get a palindrome (35632023653).

The spelling of 12312002332 in words is "twelve billion, three hundred twelve million, two thousand, three hundred thirty-two".