12221303321122 has 16 divisors (see below), whose sum is σ = 20950850753280. Its totient is φ = 5237690158368.

The previous prime is 12221303321113. The next prime is 12221303321147. The reversal of 12221303321122 is 22112330312221.

It is a super-3 number, since 3×12221303321122³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11352279 + ... + 12382117.

It is an arithmetic number, because the mean of its divisors is an integer number (1309428172080).

Almost surely, 2^{12221303321122} is an apocalyptic number.

12221303321122 is a deficient number, since it is larger than the sum of its proper divisors (8729547432158).

12221303321122 is a wasteful number, since it uses less digits than its factorization.

12221303321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877505.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12221303321122 its reverse (22112330312221), we get a palindrome (34333633633343).

The spelling of 12221303321122 in words is "twelve trillion, two hundred twenty-one billion, three hundred three million, three hundred twenty-one thousand, one hundred twenty-two".