12242312 has 16 divisors (see below), whose sum is σ = 24304860. Its totient is φ = 5761024.

The previous prime is 12242309. The next prime is 12242339. The reversal of 12242312 is 21324221.

12242312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10588516 + 1653796 = 3254^2 + 1286^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 44873 + ... + 45144.

Almost surely, 2^12242312 is an apocalyptic number.

It is an amenable number.

12242312 is a deficient number, since it is larger than the sum of its proper divisors (12062548).

12242312 is a wasteful number, since it uses less digits than its factorization.

12242312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90040 (or 90036 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 12242312 is about 3498.9015419128. The cubic root of 12242312 is about 230.4735799746.

Adding to 12242312 its reverse (21324221), we get a palindrome (33566533).

The spelling of 12242312 in words is "twelve million, two hundred forty-two thousand, three hundred twelve".