321122122232 has 64 divisors (see below), whose sum is σ = 652314643200. Its totient is φ = 147729415680.

The previous prime is 321122122219. The next prime is 321122122297. The reversal of 321122122232 is 232221221123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321122122198 and 321122122207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501008 + ... + 945120.

It is an arithmetic number, because the mean of its divisors is an integer number (10192416300).

Almost surely, 2^321122122232 is an apocalyptic number.

It is an amenable number.

321122122232 is an abundant number, since it is smaller than the sum of its proper divisors (331192520968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321122122232 is a wasteful number, since it uses less digits than its factorization.

321122122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444276 (or 444272 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

Adding to 321122122232 its reverse (232221221123), we get a palindrome (553343343355).

The spelling of 321122122232 in words is "three hundred twenty-one billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred thirty-two".