320332111212 has 12 divisors (see below), whose sum is σ = 747441592856. Its totient is φ = 106777370400.

The previous prime is 320332111207. The next prime is 320332111213. The reversal of 320332111212 is 212111233023.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×320332111212² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320332111213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13347171289 + ... + 13347171312.

Almost surely, 2^320332111212 is an apocalyptic number.

It is an amenable number.

320332111212 is an abundant number, since it is smaller than the sum of its proper divisors (427109481644).

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

320332111212 is a wasteful number, since it uses less digits than its factorization.

320332111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26694342608 (or 26694342606 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 320332111212 its reverse (212111233023), we get a palindrome (532443344235).

The spelling of 320332111212 in words is "three hundred twenty billion, three hundred thirty-two million, one hundred eleven thousand, two hundred twelve".