2812806912 has 72 divisors (see below), whose sum is σ = 7555073680. Its totient is φ = 928972800.

The previous prime is 2812806907. The next prime is 2812806943. The reversal of 2812806912 is 2196082182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66912 + ... + 100512.

Almost surely, 2^2812806912 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 2812806912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3777536840).

2812806912 is an abundant number, since it is smaller than the sum of its proper divisors (4742266768).

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

2812806912 is a wasteful number, since it uses less digits than its factorization.

2812806912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33729 (or 33715 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 2812806912 is about 53035.9021041407. The cubic root of 2812806912 is about 1411.6053863873.

The spelling of 2812806912 in words is "two billion, eight hundred twelve million, eight hundred six thousand, nine hundred twelve".