320115212 has 6 divisors (see below), whose sum is σ = 560201628. Its totient is φ = 160057604.

The previous prime is 320115209. The next prime is 320115241. The reversal of 320115212 is 212511023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40014398 + ... + 40014405.

It is an arithmetic number, because the mean of its divisors is an integer number (93366938).

Almost surely, 2^320115212 is an apocalyptic number.

It is an amenable number.

320115212 is a deficient number, since it is larger than the sum of its proper divisors (240086416).

320115212 is a wasteful number, since it uses less digits than its factorization.

320115212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80028807 (or 80028805 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 320115212 is about 17891.7638034935. The cubic root of 320115212 is about 684.0724562165.

Adding to 320115212 its reverse (212511023), we get a palindrome (532626235).

The spelling of 320115212 in words is "three hundred twenty million, one hundred fifteen thousand, two hundred twelve".