321203311112 has 32 divisors (see below), whose sum is σ = 607847116800. Its totient is φ = 159111065664.

The previous prime is 321203311109. The next prime is 321203311133. The reversal of 321203311112 is 211113302123.

It is a happy number.

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, 12791033 + ... + 12816119.

It is an arithmetic number, because the mean of its divisors is an integer number (18995222400).

Almost surely, 2^321203311112 is an apocalyptic number.

It is an amenable number.

321203311112 is a deficient number, since it is larger than the sum of its proper divisors (286643805688).

321203311112 is a wasteful number, since it uses less digits than its factorization.

321203311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39885 (or 39881 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 321203311112 its reverse (211113302123), we get a palindrome (532316613235).

The spelling of 321203311112 in words is "three hundred twenty-one billion, two hundred three million, three hundred eleven thousand, one hundred twelve".