321233122212 has 48 divisors (see below), whose sum is σ = 780644253312. Its totient is φ = 102716328960.

The previous prime is 321233122157. The next prime is 321233122279. The reversal of 321233122212 is 212221332123.

It is a nude number because it is divisible by every one of its digits.

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, 5063533 + ... + 5126580.

It is an arithmetic number, because the mean of its divisors is an integer number (16263421944).

Almost surely, 2^321233122212 is an apocalyptic number.

It is an amenable number.

321233122212 is an abundant number, since it is smaller than the sum of its proper divisors (459411131100).

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

321233122212 is a wasteful number, since it uses less digits than its factorization.

321233122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10190228 (or 10190226 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 321233122212 its reverse (212221332123), we get a palindrome (533454454335).

The spelling of 321233122212 in words is "three hundred twenty-one billion, two hundred thirty-three million, one hundred twenty-two thousand, two hundred twelve".