12343212312122 has 16 divisors (see below), whose sum is σ = 18532035152232. Its totient is φ = 6165868262400.

The previous prime is 12343212312097. The next prime is 12343212312161. The reversal of 12343212312122 is 22121321234321.

It can be written as a sum of positive squares in 4 ways, for example, as 6261410202961 + 6081802109161 = 2502281^2 + 2466131^2 .

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, 25007828 + ... + 25496624.

Almost surely, 2^{12343212312122} is an apocalyptic number.

12343212312122 is a deficient number, since it is larger than the sum of its proper divisors (6188822840110).

12343212312122 is a wasteful number, since it uses less digits than its factorization.

12343212312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500513.

The product of its digits is 6912, while the sum is 29.

Adding to 12343212312122 its reverse (22121321234321), we get a palindrome (34464533546443).

The spelling of 12343212312122 in words is "twelve trillion, three hundred forty-three billion, two hundred twelve million, three hundred twelve thousand, one hundred twenty-two".