12102112120 has 48 divisors (see below), whose sum is σ = 31675431240. Its totient is φ = 4149294912.

The previous prime is 12102112069. The next prime is 12102112151. The reversal of 12102112120 is 2121120121.

It is a super-2 number, since 2×12102112120² (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 12102112120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3085314 + ... + 3089233.

Almost surely, 2^12102112120 is an apocalyptic number.

12102112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102112120 is an abundant number, since it is smaller than the sum of its proper divisors (19573319120).

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

12102112120 is a wasteful number, since it uses less digits than its factorization.

12102112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174572 (or 6174561 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12102112120 its reverse (2121120121), we get a palindrome (14223232241).

The spelling of 12102112120 in words is "twelve billion, one hundred two million, one hundred twelve thousand, one hundred twenty".