12508212 has 48 divisors (see below), whose sum is σ = 30264192. Its totient is φ = 4018560.

The previous prime is 12508207. The next prime is 12508219. The reversal of 12508212 is 21280521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12508219) 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, 45018 + ... + 45294.

It is an arithmetic number, because the mean of its divisors is an integer number (630504).

Almost surely, 2^12508212 is an apocalyptic number.

12508212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12508212 is an abundant number, since it is smaller than the sum of its proper divisors (17755980).

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

12508212 is a wasteful number, since it uses less digits than its factorization.

12508212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12508212 is about 3536.6950674323. The cubic root of 12508212 is about 232.1302528586.

Adding to 12508212 its reverse (21280521), we get a palindrome (33788733).

It can be divided in two parts, 12508 and 212, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 12508212 in words is "twelve million, five hundred eight thousand, two hundred twelve".