12233312112 has 80 divisors (see below), whose sum is σ = 36356736512. Its totient is φ = 3472070400.

The previous prime is 12233312111. The next prime is 12233312123. The reversal of 12233312112 is 21121333221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233312111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69823 + ... + 171294.

Almost surely, 2^12233312112 is an apocalyptic number.

12233312112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12233312112 is an abundant number, since it is smaller than the sum of its proper divisors (24123424400).

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

12233312112 is a wasteful number, since it uses less digits than its factorization.

12233312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241286 (or 241280 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 12233312112 its reverse (21121333221), we get a palindrome (33354645333).

The spelling of 12233312112 in words is "twelve billion, two hundred thirty-three million, three hundred twelve thousand, one hundred twelve".