321244121222 has 16 divisors (see below), whose sum is σ = 484390277280. Its totient is φ = 159781995072.

The previous prime is 321244121201. The next prime is 321244121269. The reversal of 321244121222 is 222121442123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321244121191 and 321244121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171104 + ... + 819612.

It is an arithmetic number, because the mean of its divisors is an integer number (30274392330).

Almost surely, 2^321244121222 is an apocalyptic number.

321244121222 is a deficient number, since it is larger than the sum of its proper divisors (163146156058).

321244121222 is a wasteful number, since it uses less digits than its factorization.

321244121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649807.

The product of its digits is 3072, while the sum is 26.

Adding to 321244121222 its reverse (222121442123), we get a palindrome (543365563345).

The spelling of 321244121222 in words is "three hundred twenty-one billion, two hundred forty-four million, one hundred twenty-one thousand, two hundred twenty-two".