3221021232112 has 20 divisors (see below), whose sum is σ = 6248802048840. Its totient is φ = 1608427155008.

The previous prime is 3221021232067. The next prime is 3221021232133. The reversal of 3221021232112 is 2112321201223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130203562 + ... + 130228297.

It is an arithmetic number, because the mean of its divisors is an integer number (312440102442).

Almost surely, 2^{3221021232112} is an apocalyptic number.

It is an amenable number.

3221021232112 is a deficient number, since it is larger than the sum of its proper divisors (3027780816728).

3221021232112 is a wasteful number, since it uses less digits than its factorization.

3221021232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260432640 (or 260432634 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3221021232112 its reverse (2112321201223), we get a palindrome (5333342433335).

The spelling of 3221021232112 in words is "three trillion, two hundred twenty-one billion, twenty-one million, two hundred thirty-two thousand, one hundred twelve".