320030212 has 6 divisors (see below), whose sum is σ = 560052878. Its totient is φ = 160015104.

The previous prime is 320030189. The next prime is 320030231. The reversal of 320030212 is 212030023.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 262634436 + 57395776 = 16206^2 + 7576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320030192 and 320030201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40003773 + ... + 40003780.

Almost surely, 2^320030212 is an apocalyptic number.

It is an amenable number.

320030212 is a deficient number, since it is larger than the sum of its proper divisors (240022666).

320030212 is a wasteful number, since it uses less digits than its factorization.

320030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80007557 (or 80007555 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 320030212 is about 17889.3882511393. The cubic root of 320030212 is about 684.0119037405.

Adding to 320030212 its reverse (212030023), we get a palindrome (532060235).

The spelling of 320030212 in words is "three hundred twenty million, thirty thousand, two hundred twelve".