12312321131222 has 32 divisors (see below), whose sum is σ = 21377092638720. Its totient is φ = 5209164211680.

The previous prime is 12312321131197. The next prime is 12312321131233. The reversal of 12312321131222 is 22213112321321.

12312321131222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12312321131191 and 12312321131200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6906572 + ... + 8504432.

It is an arithmetic number, because the mean of its divisors is an integer number (668034144960).

Almost surely, 2^{12312321131222} is an apocalyptic number.

12312321131222 is a deficient number, since it is larger than the sum of its proper divisors (9064771507498).

12312321131222 is a wasteful number, since it uses less digits than its factorization.

12312321131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604916.

The product of its digits is 1728, while the sum is 26.

Adding to 12312321131222 its reverse (22213112321321), we get a palindrome (34525433452543).

The spelling of 12312321131222 in words is "twelve trillion, three hundred twelve billion, three hundred twenty-one million, one hundred thirty-one thousand, two hundred twenty-two".