12120332112 has 60 divisors (see below), whose sum is σ = 38765827360. Its totient is φ = 3462951744.

The previous prime is 12120332099. The next prime is 12120332153. The reversal of 12120332112 is 21123302121.

12120332112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6011062 + ... + 6013077.

Almost surely, 2^12120332112 is an apocalyptic number.

12120332112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12120332112 is an abundant number, since it is smaller than the sum of its proper divisors (26645495248).

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

12120332112 is a wasteful number, since it uses less digits than its factorization.

12120332112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12024160 (or 12024151 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12120332112 its reverse (21123302121), we get a palindrome (33243634233).

The spelling of 12120332112 in words is "twelve billion, one hundred twenty million, three hundred thirty-two thousand, one hundred twelve".