12222111323 has 16 divisors (see below), whose sum is σ = 13071479040. Its totient is φ = 11393978400.

The previous prime is 12222111313. The next prime is 12222111331. The reversal of 12222111323 is 32311122221.

It is a cyclic number.

It is not a de Polignac number, because 12222111323 - 2¹⁸ = 12221849179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222111295 and 12222111304.

It is not an unprimeable number, because it can be changed into a prime (12222111313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721436 + ... + 738182.

It is an arithmetic number, because the mean of its divisors is an integer number (816967440).

Almost surely, 2^12222111323 is an apocalyptic number.

12222111323 is a deficient number, since it is larger than the sum of its proper divisors (849367717).

12222111323 is a wasteful number, since it uses less digits than its factorization.

12222111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17378.

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

Adding to 12222111323 its reverse (32311122221), we get a palindrome (44533233544).

The spelling of 12222111323 in words is "twelve billion, two hundred twenty-two million, one hundred eleven thousand, three hundred twenty-three".