2120010013 has 4 divisors (see below), whose sum is σ = 2312738208. Its totient is φ = 1927281820.

The previous prime is 2120009971. The next prime is 2120010023. The reversal of 2120010013 is 3100100212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120010013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120010023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96364081 + ... + 96364102.

It is an arithmetic number, because the mean of its divisors is an integer number (578184552).

Almost surely, 2^2120010013 is an apocalyptic number.

It is an amenable number.

2120010013 is a deficient number, since it is larger than the sum of its proper divisors (192728195).

2120010013 is a wasteful number, since it uses less digits than its factorization.

2120010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192728194.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2120010013 is about 46043.5664669886. The cubic root of 2120010013 is about 1284.6336801962.

Adding to 2120010013 its reverse (3100100212), we get a palindrome (5220110225).

It can be divided in two parts, 21200 and 10013, that added together give a palindrome (31213).

The spelling of 2120010013 in words is "two billion, one hundred twenty million, ten thousand, thirteen".