12133130232 has 32 divisors (see below), whose sum is σ = 30785558400. Its totient is φ = 3984012384.

The previous prime is 12133130213. The next prime is 12133130237. The reversal of 12133130232 is 23203133121.

It is a junction number, because it is equal to n+sod(n) for n = 12133130199 and 12133130208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133130237) 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, 3771132 + ... + 3774347.

It is an arithmetic number, because the mean of its divisors is an integer number (962048700).

Almost surely, 2^12133130232 is an apocalyptic number.

12133130232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12133130232 is an abundant number, since it is smaller than the sum of its proper divisors (18652428168).

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

12133130232 is a wasteful number, since it uses less digits than its factorization.

12133130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545555 (or 7545551 counting only the distinct ones).

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

Adding to 12133130232 its reverse (23203133121), we get a palindrome (35336263353).

The spelling of 12133130232 in words is "twelve billion, one hundred thirty-three million, one hundred thirty thousand, two hundred thirty-two".