12312112322 has 16 divisors (see below), whose sum is σ = 18554941944. Its totient is φ = 6127200000.

The previous prime is 12312112301. The next prime is 12312112363. The reversal of 12312112322 is 22321121321.

It can be written as a sum of positive squares in 4 ways, for example, as 12274645681 + 37466641 = 110791^2 + 6121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12312112294 and 12312112303.

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, 353072 + ... + 386372.

Almost surely, 2^12312112322 is an apocalyptic number.

12312112322 is a deficient number, since it is larger than the sum of its proper divisors (6242829622).

12312112322 is a wasteful number, since it uses less digits than its factorization.

12312112322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34165.

The product of its digits is 288, while the sum is 20.

Adding to 12312112322 its reverse (22321121321), we get a palindrome (34633233643).

The spelling of 12312112322 in words is "twelve billion, three hundred twelve million, one hundred twelve thousand, three hundred twenty-two".