320201212 has 12 divisors (see below), whose sum is σ = 560994336. Its totient is φ = 159917120.

The previous prime is 320201117. The next prime is 320201221. The reversal of 320201212 is 212102023.

It is a junction number, because it is equal to n+sod(n) for n = 320201192 and 320201201.

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, 41908 + ... + 48955.

It is an arithmetic number, because the mean of its divisors is an integer number (46749528).

Almost surely, 2^320201212 is an apocalyptic number.

It is an amenable number.

320201212 is a deficient number, since it is larger than the sum of its proper divisors (240793124).

320201212 is a wasteful number, since it uses less digits than its factorization.

320201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91748 (or 91746 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 320201212 is about 17894.1669825673. The cubic root of 320201212 is about 684.1337101666.

Adding to 320201212 its reverse (212102023), we get a palindrome (532303235).

The spelling of 320201212 in words is "three hundred twenty million, two hundred one thousand, two hundred twelve".