2112880009284 has 72 divisors (see below), whose sum is σ = 5831215554528. Its totient is φ = 639740421120.

The previous prime is 2112880009271. The next prime is 2112880009297. The reversal of 2112880009284 is 4829000882112.

It is an interprime number because it is at equal distance from previous prime (2112880009271) and next prime (2112880009297).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1710162 + ... + 2674025.

It is an arithmetic number, because the mean of its divisors is an integer number (80989104924).

Almost surely, 2^{2112880009284} is an apocalyptic number.

It is an amenable number.

2112880009284 is an abundant number, since it is smaller than the sum of its proper divisors (3718335545244).

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

2112880009284 is a wasteful number, since it uses less digits than its factorization.

2112880009284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385425 (or 4385420 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 2112880009284 in words is "two trillion, one hundred twelve billion, eight hundred eighty million, nine thousand, two hundred eighty-four".