2116125212 has 24 divisors (see below), whose sum is σ = 3876867456. Its totient is φ = 1008749808.

The previous prime is 2116125203. The next prime is 2116125289. The reversal of 2116125212 is 2125216112.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9218 + ... + 65705.

It is an arithmetic number, because the mean of its divisors is an integer number (161536144).

Almost surely, 2^2116125212 is an apocalyptic number.

It is an amenable number.

2116125212 is a deficient number, since it is larger than the sum of its proper divisors (1760742244).

2116125212 is a wasteful number, since it uses less digits than its factorization.

2116125212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75257 (or 75255 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 2116125212 is about 46001.3609798667. The cubic root of 2116125212 is about 1283.8485270473.

The spelling of 2116125212 in words is "two billion, one hundred sixteen million, one hundred twenty-five thousand, two hundred twelve".