12331131022 has 16 divisors (see below), whose sum is σ = 21261277152. Its totient is φ = 5254221600.

The previous prime is 12331131011. The next prime is 12331131023. The reversal of 12331131022 is 22013113321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331131023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2543229 + ... + 2548072.

It is an arithmetic number, because the mean of its divisors is an integer number (1328829822).

Almost surely, 2^12331131022 is an apocalyptic number.

12331131022 is a deficient number, since it is larger than the sum of its proper divisors (8930146130).

12331131022 is a wasteful number, since it uses less digits than its factorization.

12331131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091483.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12331131022 its reverse (22013113321), we get a palindrome (34344244343).

The spelling of 12331131022 in words is "twelve billion, three hundred thirty-one million, one hundred thirty-one thousand, twenty-two".