12112224 has 48 divisors (see below), whose sum is σ = 31978800. Its totient is φ = 4014080.

The previous prime is 12112187. The next prime is 12112231. The reversal of 12112224 is 42221121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26752 + ... + 27200.

It is an arithmetic number, because the mean of its divisors is an integer number (666225).

Almost surely, 2^12112224 is an apocalyptic number.

It is an amenable number.

12112224 is an abundant number, since it is smaller than the sum of its proper divisors (19866576).

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

12112224 is a wasteful number, since it uses less digits than its factorization.

12112224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 735 counting only the distinct ones).

The product of its digits is 64, while the sum is 15.

The square root of 12112224 is about 3480.2620590984. The cubic root of 12112224 is about 229.6543263580.

Adding to 12112224 its reverse (42221121), we get a palindrome (54333345).

The spelling of 12112224 in words is "twelve million, one hundred twelve thousand, two hundred twenty-four".