12331231120 has 40 divisors (see below), whose sum is σ = 30875508216. Its totient is φ = 4553069568.

The previous prime is 12331231111. The next prime is 12331231153. The reversal of 12331231120 is 2113213321.

It can be written as a sum of positive squares in 4 ways, for example, as 2876391424 + 9454839696 = 53632^2 + 97236^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 5927437 + ... + 5929516.

Almost surely, 2^12331231120 is an apocalyptic number.

12331231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331231120 is an abundant number, since it is smaller than the sum of its proper divisors (18544277096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12331231120 is a wasteful number, since it uses less digits than its factorization.

12331231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856979 (or 11856973 counting only the distinct ones).

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

Adding to 12331231120 its reverse (2113213321), we get a palindrome (14444444441).

The spelling of 12331231120 in words is "twelve billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred twenty".