2120379812 has 12 divisors (see below), whose sum is σ = 3710990556. Its totient is φ = 1060096800.

The previous prime is 2120379787. The next prime is 2120379817. The reversal of 2120379812 is 2189730212.

It can be written as a sum of positive squares in 2 ways, for example, as 238208356 + 1882171456 = 15434^2 + 43384^2 .

It is not an unprimeable number, because it can be changed into a prime (2120379817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66062 + ... + 92762.

It is an arithmetic number, because the mean of its divisors is an integer number (309249213).

Almost surely, 2^2120379812 is an apocalyptic number.

It is an amenable number.

2120379812 is a deficient number, since it is larger than the sum of its proper divisors (1590610744).

2120379812 is a wasteful number, since it uses less digits than its factorization.

2120379812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46558 (or 46556 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2120379812 is about 46047.5820429260. The cubic root of 2120379812 is about 1284.7083698798.

The spelling of 2120379812 in words is "two billion, one hundred twenty million, three hundred seventy-nine thousand, eight hundred twelve".