321303203212 has 6 divisors (see below), whose sum is σ = 562280605628. Its totient is φ = 160651601604.

The previous prime is 321303203189. The next prime is 321303203329. The reversal of 321303203212 is 212302303123.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40162900398 + ... + 40162900405.

Almost surely, 2^321303203212 is an apocalyptic number.

It is an amenable number.

321303203212 is a deficient number, since it is larger than the sum of its proper divisors (240977402416).

321303203212 is a wasteful number, since it uses less digits than its factorization.

321303203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80325800807 (or 80325800805 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 321303203212 its reverse (212302303123), we get a palindrome (533605506335).

The spelling of 321303203212 in words is "three hundred twenty-one billion, three hundred three million, two hundred three thousand, two hundred twelve".