12113233112 has 16 divisors (see below), whose sum is σ = 23084646000. Its totient is φ = 5957327520.

The previous prime is 12113233109. The next prime is 12113233129. The reversal of 12113233112 is 21133231121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12410612 + ... + 12411587.

It is an arithmetic number, because the mean of its divisors is an integer number (1442790375).

Almost surely, 2^12113233112 is an apocalyptic number.

It is an amenable number.

12113233112 is a deficient number, since it is larger than the sum of its proper divisors (10971412888).

12113233112 is a wasteful number, since it uses less digits than its factorization.

12113233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24822266 (or 24822262 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 12113233112 its reverse (21133231121), we get a palindrome (33246464233).

It can be divided in two parts, 1211 and 3233112, that added together give a palindrome (3234323).

The spelling of 12113233112 in words is "twelve billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred twelve".