3280612120872 has 64 divisors (see below), whose sum is σ = 8423743504320. Its totient is φ = 1063912808448.

The previous prime is 3280612120861. The next prime is 3280612120913. The reversal of 3280612120872 is 2780212160823.

It is a super-2 number, since 2×3280612120872² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14474728 + ... + 14699624.

It is an arithmetic number, because the mean of its divisors is an integer number (131620992255).

Almost surely, 2^{3280612120872} is an apocalyptic number.

It is an amenable number.

3280612120872 is an abundant number, since it is smaller than the sum of its proper divisors (5143131383448).

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

3280612120872 is a wasteful number, since it uses less digits than its factorization.

3280612120872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241370 (or 241366 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 3280612120872 in words is "three trillion, two hundred eighty billion, six hundred twelve million, one hundred twenty thousand, eight hundred seventy-two".