320111330212 has 48 divisors (see below), whose sum is σ = 592007416000. Its totient is φ = 151033590144.

The previous prime is 320111330197. The next prime is 320111330213. The reversal of 320111330212 is 212033111023.

It is a super-2 number, since 2×320111330212² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 320111330212.

It is not an unprimeable number, because it can be changed into a prime (320111330213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41737114 + ... + 41744782.

Almost surely, 2^320111330212 is an apocalyptic number.

It is an amenable number.

320111330212 is a deficient number, since it is larger than the sum of its proper divisors (271896085788).

320111330212 is a wasteful number, since it uses less digits than its factorization.

320111330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788 (or 9786 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 320111330212 its reverse (212033111023), we get a palindrome (532144441235).

The spelling of 320111330212 in words is "three hundred twenty billion, one hundred eleven million, three hundred thirty thousand, two hundred twelve".