12104112 has 20 divisors (see below), whose sum is σ = 31269080. Its totient is φ = 4034688.

The previous prime is 12104111. The next prime is 12104177. The reversal of 12104112 is 21140121.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (12104111) 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, 126037 + ... + 126132.

It is an arithmetic number, because the mean of its divisors is an integer number (1563454).

Almost surely, 2^12104112 is an apocalyptic number.

12104112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12104112 is an abundant number, since it is smaller than the sum of its proper divisors (19164968).

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

12104112 is a wasteful number, since it uses less digits than its factorization.

12104112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252180 (or 252174 counting only the distinct ones).

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

The square root of 12104112 is about 3479.0964344209. The cubic root of 12104112 is about 229.6030456038.

Adding to 12104112 its reverse (21140121), we get a palindrome (33244233).

The spelling of 12104112 in words is "twelve million, one hundred four thousand, one hundred twelve".