12312322 has 16 divisors (see below), whose sum is σ = 20450592. Its totient is φ = 5512320.

The previous prime is 12312283. The next prime is 12312331. The reversal of 12312322 is 22321321.

It is a junction number, because it is equal to n+sod(n) for n = 12312296 and 12312305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2703 + ... + 5650.

It is an arithmetic number, because the mean of its divisors is an integer number (1278162).

Almost surely, 2^12312322 is an apocalyptic number.

12312322 is a deficient number, since it is larger than the sum of its proper divisors (8138270).

12312322 is a wasteful number, since it uses less digits than its factorization.

12312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8433.

The product of its digits is 144, while the sum is 16.

The square root of 12312322 is about 3508.8918478631. The cubic root of 12312322 is about 230.9120808827.

Adding to 12312322 its reverse (22321321), we get a palindrome (34633643).

It can be divided in two parts, 1231 and 2322, that added together give a palindrome (3553).

The spelling of 12312322 in words is "twelve million, three hundred twelve thousand, three hundred twenty-two".