12112226 has 8 divisors (see below), whose sum is σ = 20763840. Its totient is φ = 5190948.

The previous prime is 12112187. The next prime is 12112231. The reversal of 12112226 is 62221121.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 432566 + ... + 432593.

It is an arithmetic number, because the mean of its divisors is an integer number (2595480).

Almost surely, 2^12112226 is an apocalyptic number.

12112226 is a deficient number, since it is larger than the sum of its proper divisors (8651614).

12112226 is an equidigital number, since it uses as much as digits as its factorization.

12112226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865168.

The product of its digits is 96, while the sum is 17.

The square root of 12112226 is about 3480.2623464331. The cubic root of 12112226 is about 229.6543389984.

Adding to 12112226 its reverse (62221121), we get a palindrome (74333347).

The spelling of 12112226 in words is "twelve million, one hundred twelve thousand, two hundred twenty-six".