12322222122 has 32 divisors (see below), whose sum is σ = 28170997632. Its totient is φ = 3519895104.

The previous prime is 12322222109. The next prime is 12322222151. The reversal of 12322222122 is 22122222321.

12322222122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190048 + ... + 246500.

It is an arithmetic number, because the mean of its divisors is an integer number (880343676).

Almost surely, 2^12322222122 is an apocalyptic number.

12322222122 is an abundant number, since it is smaller than the sum of its proper divisors (15848775510).

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

12322222122 is a wasteful number, since it uses less digits than its factorization.

12322222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61662.

The product of its digits is 768, while the sum is 21.

Adding to 12322222122 its reverse (22122222321), we get a palindrome (34444444443).

The spelling of 12322222122 in words is "twelve billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".