321320002112 has 56 divisors (see below), whose sum is σ = 640626506400. Its totient is φ = 159903636480.

The previous prime is 321320002063. The next prime is 321320002151. The reversal of 321320002112 is 211200023123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16301639 + ... + 16321337.

Almost surely, 2^321320002112 is an apocalyptic number.

321320002112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321320002112 is a deficient number, since it is larger than the sum of its proper divisors (319306504288).

321320002112 is a wasteful number, since it uses less digits than its factorization.

321320002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20899 (or 20889 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 321320002112 its reverse (211200023123), we get a palindrome (532520025235).

The spelling of 321320002112 in words is "three hundred twenty-one billion, three hundred twenty million, two thousand, one hundred twelve".