12225252 has 24 divisors (see below), whose sum is σ = 30720256. Its totient is φ = 3761568.

The previous prime is 12225251. The next prime is 12225299. The reversal of 12225252 is 25252221.

12225252 is digitally balanced in base 2, because in such base 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 (12225251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39028 + ... + 39339.

Almost surely, 2^12225252 is an apocalyptic number.

12225252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12225252 is an abundant number, since it is smaller than the sum of its proper divisors (18495004).

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

12225252 is a wasteful number, since it uses less digits than its factorization.

12225252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78387 (or 78385 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 12225252 is about 3496.4627840147. The cubic root of 12225252 is about 230.3664731067.

Adding to 12225252 its reverse (25252221), we get a palindrome (37477473).

The spelling of 12225252 in words is "twelve million, two hundred twenty-five thousand, two hundred fifty-two".