12312133311232 has 36 divisors (see below), whose sum is σ = 24612155384040. Its totient is φ = 6147053293568.

The previous prime is 12312133311193. The next prime is 12312133311263. The reversal of 12312133311232 is 23211333121321.

It is a self number, because there is not a number n which added to its sum of digits gives 12312133311232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35033257 + ... + 35382952.

It is an arithmetic number, because the mean of its divisors is an integer number (683670982890).

Almost surely, 2^{12312133311232} is an apocalyptic number.

It is an amenable number.

12312133311232 is a deficient number, since it is larger than the sum of its proper divisors (12300022072808).

12312133311232 is an frugal number, since it uses more digits than its factorization.

12312133311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70416908 (or 70416894 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

Adding to 12312133311232 its reverse (23211333121321), we get a palindrome (35523466432553).

The spelling of 12312133311232 in words is "twelve trillion, three hundred twelve billion, one hundred thirty-three million, three hundred eleven thousand, two hundred thirty-two".