320120330212 has 24 divisors (see below), whose sum is σ = 573902935200. Its totient is φ = 156148453440.

The previous prime is 320120330149. The next prime is 320120330297. The reversal of 320120330212 is 212033021023.

It is a self number, because there is not a number n which added to its sum of digits gives 320120330212.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4573503 + ... + 4642969.

It is an arithmetic number, because the mean of its divisors is an integer number (23912622300).

Almost surely, 2^320120330212 is an apocalyptic number.

It is an amenable number.

320120330212 is a deficient number, since it is larger than the sum of its proper divisors (253782604988).

320120330212 is a wasteful number, since it uses less digits than its factorization.

320120330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97611 (or 97609 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320120330212 its reverse (212033021023), we get a palindrome (532153351235).

The spelling of 320120330212 in words is "three hundred twenty billion, one hundred twenty million, three hundred thirty thousand, two hundred twelve".