12012432 has 20 divisors (see below), whose sum is σ = 31032240. Its totient is φ = 4004128.

The previous prime is 12012367. The next prime is 12012433. The reversal of 12012432 is 23421021.

12012432 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12012433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125082 + ... + 125177.

It is an arithmetic number, because the mean of its divisors is an integer number (1551612).

Almost surely, 2^12012432 is an apocalyptic number.

12012432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012432 is an abundant number, since it is smaller than the sum of its proper divisors (19019808).

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

12012432 is a wasteful number, since it uses less digits than its factorization.

12012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250270 (or 250264 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12012432 is about 3465.8955552642. The cubic root of 12012432 is about 229.0218828208.

Adding to 12012432 its reverse (23421021), we get a palindrome (35433453).

The spelling of 12012432 in words is "twelve million, twelve thousand, four hundred thirty-two".