12222312322 has 32 divisors (see below), whose sum is σ = 20075947200. Its totient is φ = 5534592000.

The previous prime is 12222312313. The next prime is 12222312329. The reversal of 12222312322 is 22321322221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12222312293 and 12222312302.

It is not an unprimeable number, because it can be changed into a prime (12222312329) 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, 11628697 + ... + 11629747.

It is an arithmetic number, because the mean of its divisors is an integer number (627373350).

Almost surely, 2^12222312322 is an apocalyptic number.

12222312322 is a deficient number, since it is larger than the sum of its proper divisors (7853634878).

12222312322 is a wasteful number, since it uses less digits than its factorization.

12222312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562.

The product of its digits is 1152, while the sum is 22.

Adding to 12222312322 its reverse (22321322221), we get a palindrome (34543634543).

The spelling of 12222312322 in words is "twelve billion, two hundred twenty-two million, three hundred twelve thousand, three hundred twenty-two".