12031231022159 has 2 divisors, whose sum is σ = 12031231022160. Its totient is φ = 12031231022158.

The previous prime is 12031231022137. The next prime is 12031231022233. The reversal of 12031231022159 is 95122013213021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12031231022159 - 2⁴⁰ = 10931719394383 is a prime.

It is a super-2 number, since 2×12031231022159² (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 (12031231022119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015615511079 + 6015615511080.

It is an arithmetic number, because the mean of its divisors is an integer number (6015615511080).

Almost surely, 2^{12031231022159} is an apocalyptic number.

12031231022159 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031231022159 is an equidigital number, since it uses as much as digits as its factorization.

12031231022159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 12031231022159 in words is "twelve trillion, thirty-one billion, two hundred thirty-one million, twenty-two thousand, one hundred fifty-nine".