2120170012 has 12 divisors (see below), whose sum is σ = 3726644040. Its totient is φ = 1055414576.

The previous prime is 2120170001. The next prime is 2120170033. The reversal of 2120170012 is 2100710212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166587 + ... + 1168402.

It is an arithmetic number, because the mean of its divisors is an integer number (310553670).

Almost surely, 2^2120170012 is an apocalyptic number.

It is an amenable number.

2120170012 is a deficient number, since it is larger than the sum of its proper divisors (1606474028).

2120170012 is a wasteful number, since it uses less digits than its factorization.

2120170012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335220 (or 2335218 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 2120170012 is about 46045.3039082163. The cubic root of 2120170012 is about 1284.6659968570.

Adding to 2120170012 its reverse (2100710212), we get a palindrome (4220880224).

The spelling of 2120170012 in words is "two billion, one hundred twenty million, one hundred seventy thousand, twelve".