12214312 has 16 divisors (see below), whose sum is σ = 24984000. Its totient is φ = 5551920.

The previous prime is 12214303. The next prime is 12214331. The reversal of 12214312 is 21341221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69312 + ... + 69487.

It is an arithmetic number, because the mean of its divisors is an integer number (1561500).

Almost surely, 2^12214312 is an apocalyptic number.

It is an amenable number.

12214312 is an abundant number, since it is smaller than the sum of its proper divisors (12769688).

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

12214312 is a wasteful number, since it uses less digits than its factorization.

12214312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138816 (or 138812 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 12214312 is about 3494.8979956502. The cubic root of 12214312 is about 230.2977366547.

Adding to 12214312 its reverse (21341221), we get a palindrome (33555533).

The spelling of 12214312 in words is "twelve million, two hundred fourteen thousand, three hundred twelve".