12112208 has 20 divisors (see below), whose sum is σ = 23528628. Its totient is φ = 6040320.

The previous prime is 12112187. The next prime is 12112231. The reversal of 12112208 is 80221121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8456464 + 3655744 = 2908^2 + 1912^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7610 + ... + 9062.

Almost surely, 2^12112208 is an apocalyptic number.

It is an amenable number.

12112208 is a deficient number, since it is larger than the sum of its proper divisors (11416420).

12112208 is a wasteful number, since it uses less digits than its factorization.

12112208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 12112208 is about 3480.2597604202. The cubic root of 12112208 is about 229.6542252351.

Adding to 12112208 its reverse (80221121), we get a palindrome (92333329).

The spelling of 12112208 in words is "twelve million, one hundred twelve thousand, two hundred eight".