12112104 has 16 divisors (see below), whose sum is σ = 30280320. Its totient is φ = 4037360.

The previous prime is 12112069. The next prime is 12112127. The reversal of 12112104 is 40121121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12112104.

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, 252312 + ... + 252359.

It is an arithmetic number, because the mean of its divisors is an integer number (1892520).

Almost surely, 2^12112104 is an apocalyptic number.

It is an amenable number.

12112104 is an abundant number, since it is smaller than the sum of its proper divisors (18168216).

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

12112104 is a wasteful number, since it uses less digits than its factorization.

12112104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504680 (or 504676 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 12112104 is about 3480.2448189747. The cubic root of 12112104 is about 229.6535679339.

Adding to 12112104 its reverse (40121121), we get a palindrome (52233225).

The spelling of 12112104 in words is "twelve million, one hundred twelve thousand, one hundred four".