12240204 has 48 divisors (see below), whose sum is σ = 31298400. Its totient is φ = 3705856.

The previous prime is 12240203. The next prime is 12240223. The reversal of 12240204 is 40204221.

12240204 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 (12240203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4882 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (652050).

Almost surely, 2^12240204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12240204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15649200).

12240204 is an abundant number, since it is smaller than the sum of its proper divisors (19058196).

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

12240204 is a wasteful number, since it uses less digits than its factorization.

12240204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 12240204 is about 3498.6002915452. The cubic root of 12240204 is about 230.4603508233.

Adding to 12240204 its reverse (40204221), we get a palindrome (52444425).

The spelling of 12240204 in words is "twelve million, two hundred forty thousand, two hundred four".