2120782112 has 24 divisors (see below), whose sum is σ = 4176604656. Its totient is φ = 1060057152.

The previous prime is 2120782099. The next prime is 2120782123. The reversal of 2120782112 is 2112870212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116543 + ... + 133505.

It is an arithmetic number, because the mean of its divisors is an integer number (174025194).

Almost surely, 2^2120782112 is an apocalyptic number.

It is an amenable number.

2120782112 is a deficient number, since it is larger than the sum of its proper divisors (2055822544).

2120782112 is a wasteful number, since it uses less digits than its factorization.

2120782112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20880 (or 20872 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 2120782112 is about 46051.9501432893. The cubic root of 2120782112 is about 1284.7896140498.

The spelling of 2120782112 in words is "two billion, one hundred twenty million, seven hundred eighty-two thousand, one hundred twelve".