12331311112 has 16 divisors (see below), whose sum is σ = 23274331200. Its totient is φ = 6124822800.

The previous prime is 12331311061. The next prime is 12331311119. The reversal of 12331311112 is 21111313321.

It is a super-2 number, since 2×12331311112² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12331311112.

It is not an unprimeable number, because it can be changed into a prime (12331311119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5102812 + ... + 5105227.

It is an arithmetic number, because the mean of its divisors is an integer number (1454645700).

Almost surely, 2^12331311112 is an apocalyptic number.

It is an amenable number.

12331311112 is a deficient number, since it is larger than the sum of its proper divisors (10943020088).

12331311112 is a wasteful number, since it uses less digits than its factorization.

12331311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208196 (or 10208192 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 12331311112 its reverse (21111313321), we get a palindrome (33442624433).

The spelling of 12331311112 in words is "twelve billion, three hundred thirty-one million, three hundred eleven thousand, one hundred twelve".