12144112 has 20 divisors (see below), whose sum is σ = 23760880. Its totient is φ = 6012288.

The previous prime is 12144101. The next prime is 12144113. The reversal of 12144112 is 21144121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037 + ... + 5332.

It is an arithmetic number, because the mean of its divisors is an integer number (1188044).

Almost surely, 2^12144112 is an apocalyptic number.

It is an amenable number.

12144112 is a deficient number, since it is larger than the sum of its proper divisors (11616768).

12144112 is a wasteful number, since it uses less digits than its factorization.

12144112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480 (or 7474 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 12144112 is about 3484.8403119799. The cubic root of 12144112 is about 229.8556876688.

Adding to 12144112 its reverse (21144121), we get a palindrome (33288233).

Subtracting 12144112 from its reverse (21144121), we obtain a palindrome (9000009).

The spelling of 12144112 in words is "twelve million, one hundred forty-four thousand, one hundred twelve".