12232112 has 20 divisors (see below), whose sum is σ = 25094376. Its totient is φ = 5756160.

The previous prime is 12232091. The next prime is 12232117. The reversal of 12232112 is 21123221.

It is a happy number.

12232112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12232117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22214 + ... + 22757.

Almost surely, 2^12232112 is an apocalyptic number.

It is an amenable number.

12232112 is an abundant number, since it is smaller than the sum of its proper divisors (12862264).

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

12232112 is a wasteful number, since it uses less digits than its factorization.

12232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44996 (or 44990 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 12232112 is about 3497.4436378589. The cubic root of 12232112 is about 230.4095538412.

Adding to 12232112 its reverse (21123221), we get a palindrome (33355333).

The spelling of 12232112 in words is "twelve million, two hundred thirty-two thousand, one hundred twelve".