12212204 has 6 divisors (see below), whose sum is σ = 21371364. Its totient is φ = 6106100.

The previous prime is 12212201. The next prime is 12212237. The reversal of 12212204 is 40221221.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12212201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526522 + ... + 1526529.

It is an arithmetic number, because the mean of its divisors is an integer number (3561894).

Almost surely, 2^12212204 is an apocalyptic number.

It is an amenable number.

12212204 is a deficient number, since it is larger than the sum of its proper divisors (9159160).

12212204 is a wasteful number, since it uses less digits than its factorization.

12212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053055 (or 3053053 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12212204 is about 3494.5964001584. The cubic root of 12212204 is about 230.2844872917.

Adding to 12212204 its reverse (40221221), we get a palindrome (52433425).

The spelling of 12212204 in words is "twelve million, two hundred twelve thousand, two hundred four".