12023313112 has 32 divisors (see below), whose sum is σ = 23922604800. Its totient is φ = 5652812704.

The previous prime is 12023313109. The next prime is 12023313163. The reversal of 12023313112 is 21131332021.

It is a super-2 number, since 2×12023313112² (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 12023313112.

It is a congruent number.

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, 542908 + ... + 564619.

It is an arithmetic number, because the mean of its divisors is an integer number (747581400).

Almost surely, 2^12023313112 is an apocalyptic number.

It is an amenable number.

12023313112 is a deficient number, since it is larger than the sum of its proper divisors (11899291688).

12023313112 is a wasteful number, since it uses less digits than its factorization.

12023313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107615 (or 1107611 counting only the distinct ones).

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

Adding to 12023313112 its reverse (21131332021), we get a palindrome (33154645133).

The spelling of 12023313112 in words is "twelve billion, twenty-three million, three hundred thirteen thousand, one hundred twelve".