320120310212 has 24 divisors (see below), whose sum is σ = 575447631360. Its totient is φ = 155708148960.

The previous prime is 320120310203. The next prime is 320120310229. The reversal of 320120310212 is 212013021023.

It is a super-2 number, since 2×320120310212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721787 + ... + 1077597.

It is an arithmetic number, because the mean of its divisors is an integer number (23976984640).

Almost surely, 2^320120310212 is an apocalyptic number.

It is an amenable number.

320120310212 is a deficient number, since it is larger than the sum of its proper divisors (255327321148).

320120310212 is a wasteful number, since it uses less digits than its factorization.

320120310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361931 (or 361929 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320120310212 its reverse (212013021023), we get a palindrome (532133331235).

The spelling of 320120310212 in words is "three hundred twenty billion, one hundred twenty million, three hundred ten thousand, two hundred twelve".