3321872112 has 120 divisors (see below), whose sum is σ = 9331676544. Its totient is φ = 1017798912.

The previous prime is 3321872093. The next prime is 3321872117. The reversal of 3321872112 is 2112781233.

It is a super-2 number, since 2×3321872112² = 22069668656966681088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3321872112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321872117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2294973 + ... + 2296419.

Almost surely, 2^3321872112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3321872112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4665838272).

3321872112 is an abundant number, since it is smaller than the sum of its proper divisors (6009804432).

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

3321872112 is a wasteful number, since it uses less digits than its factorization.

3321872112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1748 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 3321872112 is about 57635.6843630749. The cubic root of 3321872112 is about 1492.0875371210.

The spelling of 3321872112 in words is "three billion, three hundred twenty-one million, eight hundred seventy-two thousand, one hundred twelve".