12310001972231 has 2 divisors, whose sum is σ = 12310001972232. Its totient is φ = 12310001972230.

The previous prime is 12310001972227. The next prime is 12310001972239. The reversal of 12310001972231 is 13227910001321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12310001972231 - 2² = 12310001972227 is a prime.

It is a super-2 number, since 2×12310001972231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310001972239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155000986115 + 6155000986116.

It is an arithmetic number, because the mean of its divisors is an integer number (6155000986116).

Almost surely, 2^{12310001972231} is an apocalyptic number.

12310001972231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310001972231 is an equidigital number, since it uses as much as digits as its factorization.

12310001972231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

Adding to 12310001972231 its reverse (13227910001321), we get a palindrome (25537911973552).

The spelling of 12310001972231 in words is "twelve trillion, three hundred ten billion, one million, nine hundred seventy-two thousand, two hundred thirty-one".