12144232 has 24 divisors (see below), whose sum is σ = 23340690. Its totient is φ = 5923680.

The previous prime is 12144229. The next prime is 12144233. The reversal of 12144232 is 23244121.

12144232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 894916 = 3354^2 + 946^2 .

It is not an unprimeable number, because it can be changed into a prime (12144233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14382 + ... + 15202.

Almost surely, 2^12144232 is an apocalyptic number.

It is an amenable number.

12144232 is a deficient number, since it is larger than the sum of its proper divisors (11196458).

12144232 is an equidigital number, since it uses as much as digits as its factorization.

12144232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 866 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 12144232 is about 3484.8575293690. The cubic root of 12144232 is about 229.8564447597.

Adding to 12144232 its reverse (23244121), we get a palindrome (35388353).

The spelling of 12144232 in words is "twelve million, one hundred forty-four thousand, two hundred thirty-two".