320330212212 has 24 divisors (see below), whose sum is σ = 771548038912. Its totient is φ = 103332326400.

The previous prime is 320330212199. The next prime is 320330212219. The reversal of 320330212212 is 212212033023.

It is a happy number.

It is a super-2 number, since 2×320330212212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320330212219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430550989 + ... + 430551732.

Almost surely, 2^320330212212 is an apocalyptic number.

It is an amenable number.

320330212212 is an abundant number, since it is smaller than the sum of its proper divisors (451217826700).

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

320330212212 is a wasteful number, since it uses less digits than its factorization.

320330212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861102759 (or 861102757 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320330212212 its reverse (212212033023), we get a palindrome (532542245235).

The spelling of 320330212212 in words is "three hundred twenty billion, three hundred thirty million, two hundred twelve thousand, two hundred twelve".