12020321222 has 96 divisors (see below), whose sum is σ = 23510995200. Its totient is φ = 4564752192.

The previous prime is 12020321219. The next prime is 12020321231. The reversal of 12020321222 is 22212302021.

It is a self number, because there is not a number n which added to its sum of digits gives 12020321222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3230279 + ... + 3233997.

It is an arithmetic number, because the mean of its divisors is an integer number (244906200).

Almost surely, 2^12020321222 is an apocalyptic number.

12020321222 is a deficient number, since it is larger than the sum of its proper divisors (11490673978).

12020321222 is a wasteful number, since it uses less digits than its factorization.

12020321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3843 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12020321222 its reverse (22212302021), we get a palindrome (34232623243).

The spelling of 12020321222 in words is "twelve billion, twenty million, three hundred twenty-one thousand, two hundred twenty-two".