2120112993 has 16 divisors (see below), whose sum is σ = 3066106176. Its totient is φ = 1297820160.

The previous prime is 2120112991. The next prime is 2120112997. The reversal of 2120112993 is 3992110212.

It is not a de Polignac number, because 2120112993 - 2¹ = 2120112991 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120112993.

It is not an unprimeable number, because it can be changed into a prime (2120112991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 504871 + ... + 509052.

It is an arithmetic number, because the mean of its divisors is an integer number (191631636).

Almost surely, 2^2120112993 is an apocalyptic number.

It is an amenable number.

2120112993 is a deficient number, since it is larger than the sum of its proper divisors (945993183).

2120112993 is a wasteful number, since it uses less digits than its factorization.

2120112993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013984.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 2120112993 is about 46044.6847421068. The cubic root of 2120112993 is about 1284.6544803235.

The spelling of 2120112993 in words is "two billion, one hundred twenty million, one hundred twelve thousand, nine hundred ninety-three".