323220203212 has 24 divisors (see below), whose sum is σ = 566311898880. Its totient is φ = 161416878480.

The previous prime is 323220203209. The next prime is 323220203219. The reversal of 323220203212 is 212302022323.

It is not an unprimeable number, because it can be changed into a prime (323220203219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36447603 + ... + 36456469.

It is an arithmetic number, because the mean of its divisors is an integer number (23596329120).

Almost surely, 2^323220203212 is an apocalyptic number.

It is an amenable number.

323220203212 is a deficient number, since it is larger than the sum of its proper divisors (243091695668).

323220203212 is a wasteful number, since it uses less digits than its factorization.

323220203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18741 (or 18739 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 323220203212 its reverse (212302022323), we get a palindrome (535522225535).

The spelling of 323220203212 in words is "three hundred twenty-three billion, two hundred twenty million, two hundred three thousand, two hundred twelve".