320222101212 has 72 divisors (see below), whose sum is σ = 890262924096. Its totient is φ = 96433490304.

The previous prime is 320222101211. The next prime is 320222101279. The reversal of 320222101212 is 212101222023.

320222101212 is a `hidden beast` number, since 320 + 2 + 221 + 0 + 121 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320222101211) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7257103 + ... + 7301094.

Almost surely, 2^320222101212 is an apocalyptic number.

It is an amenable number.

320222101212 is an abundant number, since it is smaller than the sum of its proper divisors (570040822884).

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

320222101212 is a wasteful number, since it uses less digits than its factorization.

320222101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14558267 (or 14558262 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 320222101212 its reverse (212101222023), we get a palindrome (532323323235).

The spelling of 320222101212 in words is "three hundred twenty billion, two hundred twenty-two million, one hundred one thousand, two hundred twelve".