321330200212 has 36 divisors (see below), whose sum is σ = 654581754624. Its totient is φ = 137619200880.

The previous prime is 321330200209. The next prime is 321330200227. The reversal of 321330200212 is 212002033123.

It is a self number, because there is not a number n which added to its sum of digits gives 321330200212.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 268938 + ... + 845569.

Almost surely, 2^321330200212 is an apocalyptic number.

It is an amenable number.

321330200212 is an abundant number, since it is smaller than the sum of its proper divisors (333251554412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321330200212 is a wasteful number, since it uses less digits than its factorization.

321330200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115996 (or 1115987 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 321330200212 its reverse (212002033123), we get a palindrome (533332233335).

The spelling of 321330200212 in words is "three hundred twenty-one billion, three hundred thirty million, two hundred thousand, two hundred twelve".