12031233155 has 8 divisors (see below), whose sum is σ = 14599699200. Its totient is φ = 9516840256.

The previous prime is 12031233079. The next prime is 12031233199. The reversal of 12031233155 is 55133213021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12031233155 - 2²⁴ = 12014455939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13517795 + ... + 13518684.

It is an arithmetic number, because the mean of its divisors is an integer number (1824962400).

Almost surely, 2^12031233155 is an apocalyptic number.

12031233155 is a deficient number, since it is larger than the sum of its proper divisors (2568466045).

12031233155 is an equidigital number, since it uses as much as digits as its factorization.

12031233155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27036573.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 12031233155 its reverse (55133213021), we get a palindrome (67164446176).

The spelling of 12031233155 in words is "twelve billion, thirty-one million, two hundred thirty-three thousand, one hundred fifty-five".