12112432 has 20 divisors (see below), whose sum is σ = 24848856. Its totient is φ = 5699840.

The previous prime is 12112427. The next prime is 12112433. The reversal of 12112432 is 23421121.

It is a super-2 number, since 2×12112432² = 293422017909248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (12112433) 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, 21994 + ... + 22537.

Almost surely, 2^12112432 is an apocalyptic number.

It is an amenable number.

12112432 is an abundant number, since it is smaller than the sum of its proper divisors (12736424).

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

12112432 is a wasteful number, since it uses less digits than its factorization.

12112432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44556 (or 44550 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 12112432 is about 3480.2919417773. The cubic root of 12112432 is about 229.6556409481.

Adding to 12112432 its reverse (23421121), we get a palindrome (35533553).

It can be divided in two parts, 12112 and 432, that added together give a square (12544 = 112²).

The spelling of 12112432 in words is "twelve million, one hundred twelve thousand, four hundred thirty-two".