12112232 has 16 divisors (see below), whose sum is σ = 24775200. Its totient is φ = 5505520.

The previous prime is 12112231. The next prime is 12112241. The reversal of 12112232 is 23221121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68732 + ... + 68907.

It is an arithmetic number, because the mean of its divisors is an integer number (1548450).

Almost surely, 2^12112232 is an apocalyptic number.

It is an amenable number.

12112232 is an abundant number, since it is smaller than the sum of its proper divisors (12662968).

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

12112232 is a wasteful number, since it uses less digits than its factorization.

12112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137656 (or 137652 counting only the distinct ones).

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

The square root of 12112232 is about 3480.2632084370. The cubic root of 12112232 is about 229.6543769195.

Adding to 12112232 its reverse (23221121), we get a palindrome (35333353).

Subtracting 12112232 from its reverse (23221121), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1211 and 2232, that added together give a palindrome (3443).

The spelling of 12112232 in words is "twelve million, one hundred twelve thousand, two hundred thirty-two".