320120210012 has 12 divisors (see below), whose sum is σ = 565649303856. Its totient is φ = 158506123200.

The previous prime is 320120209991. The next prime is 320120210029. The reversal of 320120210012 is 210012021023.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388494989 + ... + 388495812.

It is an arithmetic number, because the mean of its divisors is an integer number (47137441988).

Almost surely, 2^320120210012 is an apocalyptic number.

It is an amenable number.

320120210012 is a deficient number, since it is larger than the sum of its proper divisors (245529093844).

320120210012 is a wasteful number, since it uses less digits than its factorization.

320120210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776990908 (or 776990906 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 320120210012 its reverse (210012021023), we get a palindrome (530132231035).

The spelling of 320120210012 in words is "three hundred twenty billion, one hundred twenty million, two hundred ten thousand, twelve".