12232120 has 16 divisors (see below), whose sum is σ = 27522360. Its totient is φ = 4892832.

The previous prime is 12232117. The next prime is 12232141. The reversal of 12232120 is 2123221.

It is a self number, because there is not a number n which added to its sum of digits gives 12232120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152862 + ... + 152941.

Almost surely, 2^12232120 is an apocalyptic number.

12232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232120 is an abundant number, since it is smaller than the sum of its proper divisors (15290240).

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

12232120 is a wasteful number, since it uses less digits than its factorization.

12232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305814 (or 305810 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12232120 is about 3497.4447815512. Note that the first 3 decimals coincide. The cubic root of 12232120 is about 230.4096040717.

Adding to 12232120 its reverse (2123221), we get a palindrome (14355341).

The spelling of 12232120 in words is "twelve million, two hundred thirty-two thousand, one hundred twenty".