12112112 has 20 divisors (see below), whose sum is σ = 23531976. Its totient is φ = 6039360.

The previous prime is 12112069. The next prime is 12112127. The reversal of 12112112 is 21121121.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12112093 and 12112102.

It is a congruent number.

It is an unprimeable number.

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, 6662 + ... + 8282.

Almost surely, 2^12112112 is an apocalyptic number.

It is an amenable number.

12112112 is a deficient number, since it is larger than the sum of its proper divisors (11419864).

12112112 is a wasteful number, since it uses less digits than its factorization.

12112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2090 counting only the distinct ones).

The product of its digits is 8, while the sum is 11.

The square root of 12112112 is about 3480.2459683189. The cubic root of 12112112 is about 229.6536184956.

Adding to 12112112 its reverse (21121121), we get a palindrome (33233233).

Subtracting 12112112 from its reverse (21121121), we obtain a palindrome (9009009).

The spelling of 12112112 in words is "twelve million, one hundred twelve thousand, one hundred twelve".