12131302332 has 24 divisors (see below), whose sum is σ = 29071410256. Its totient is φ = 3934476288.

The previous prime is 12131302303. The next prime is 12131302361. The reversal of 12131302332 is 23320313121.

It is an interprime number because it is at equal distance from previous prime (12131302303) and next prime (12131302361).

It is a junction number, because it is equal to n+sod(n) for n = 12131302299 and 12131302308.

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, 13660933 + ... + 13661820.

Almost surely, 2^12131302332 is an apocalyptic number.

12131302332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12131302332 is an abundant number, since it is smaller than the sum of its proper divisors (16940107924).

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

12131302332 is a wasteful number, since it uses less digits than its factorization.

12131302332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27322797 (or 27322795 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12131302332 its reverse (23320313121), we get a palindrome (35451615453).

The spelling of 12131302332 in words is "twelve billion, one hundred thirty-one million, three hundred two thousand, three hundred thirty-two".