12231204 has 12 divisors (see below), whose sum is σ = 28539504. Its totient is φ = 4077064.

The previous prime is 12231203. The next prime is 12231227. The reversal of 12231204 is 40213221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12231203) 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, 509622 + ... + 509645.

It is an arithmetic number, because the mean of its divisors is an integer number (2378292).

Almost surely, 2^12231204 is an apocalyptic number.

It is an amenable number.

12231204 is an abundant number, since it is smaller than the sum of its proper divisors (16308300).

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

12231204 is a wasteful number, since it uses less digits than its factorization.

12231204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019274 (or 1019272 counting only the distinct ones).

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

The square root of 12231204 is about 3497.3138263530. The cubic root of 12231204 is about 230.4038525349.

Adding to 12231204 its reverse (40213221), we get a palindrome (52444425).

The spelling of 12231204 in words is "twelve million, two hundred thirty-one thousand, two hundred four".