12312204 has 24 divisors (see below), whose sum is σ = 28995120. Its totient is φ = 4065984.

The previous prime is 12312197. The next prime is 12312217. The reversal of 12312204 is 40221321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3399 + ... + 6014.

It is an arithmetic number, because the mean of its divisors is an integer number (1208130).

Almost surely, 2^12312204 is an apocalyptic number.

It is an amenable number.

12312204 is an abundant number, since it is smaller than the sum of its proper divisors (16682916).

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

12312204 is a wasteful number, since it uses less digits than its factorization.

12312204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529 (or 9527 counting only the distinct ones).

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

The square root of 12312204 is about 3508.8750333975. The cubic root of 12312204 is about 230.9113432013.

Adding to 12312204 its reverse (40221321), we get a palindrome (52533525).

The spelling of 12312204 in words is "twelve million, three hundred twelve thousand, two hundred four".