12323123221122 has 48 divisors (see below), whose sum is σ = 30540638381760. Its totient is φ = 3517864884576.

The previous prime is 12323123221111. The next prime is 12323123221141. The reversal of 12323123221122 is 22112232132321.

12323123221122 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 312 + 3 + 221 + 122 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41900997 + ... + 42194072.

It is an arithmetic number, because the mean of its divisors is an integer number (636263299620).

Almost surely, 2^{12323123221122} is an apocalyptic number.

12323123221122 is an abundant number, since it is smaller than the sum of its proper divisors (18217515160638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323123221122 is a wasteful number, since it uses less digits than its factorization.

12323123221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84096247 (or 84096244 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 12323123221122 its reverse (22112232132321), we get a palindrome (34435355353443).

The spelling of 12323123221122 in words is "twelve trillion, three hundred twenty-three billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred twenty-two".