12303212 has 12 divisors (see below), whose sum is σ = 21884016. Its totient is φ = 6050640.

The previous prime is 12303209. The next prime is 12303217. The reversal of 12303212 is 21230321.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12303217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24968 + ... + 25455.

It is an arithmetic number, because the mean of its divisors is an integer number (1823668).

Almost surely, 2^12303212 is an apocalyptic number.

It is an amenable number.

12303212 is a deficient number, since it is larger than the sum of its proper divisors (9580804).

12303212 is a wasteful number, since it uses less digits than its factorization.

12303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50488 (or 50486 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12303212 is about 3507.5934770153. The cubic root of 12303212 is about 230.8551155083.

Adding to 12303212 its reverse (21230321), we get a palindrome (33533533).

It can be divided in two parts, 1230321 and 2, that multiplied together give a palindrome (2460642).

The spelling of 12303212 in words is "twelve million, three hundred three thousand, two hundred twelve".