12132255155231 has 16 divisors (see below), whose sum is σ = 12575161159200. Its totient is φ = 11701584603904.

The previous prime is 12132255155191. The next prime is 12132255155257. The reversal of 12132255155231 is 13255155223121.

It is a de Polignac number, because none of the positive numbers 2^k-12132255155231 is a prime.

It is a super-2 number, since 2×12132255155231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132255155291) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8093135 + ... + 9474351.

It is an arithmetic number, because the mean of its divisors is an integer number (785947572450).

Almost surely, 2^{12132255155231} is an apocalyptic number.

12132255155231 is a deficient number, since it is larger than the sum of its proper divisors (442906003969).

12132255155231 is an frugal number, since it uses more digits than its factorization.

12132255155231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381435 (or 1381329 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The spelling of 12132255155231 in words is "twelve trillion, one hundred thirty-two billion, two hundred fifty-five million, one hundred fifty-five thousand, two hundred thirty-one".