2120001013 has 8 divisors (see below), whose sum is σ = 2293319168. Its totient is φ = 1948145904.

The previous prime is 2120000977. The next prime is 2120001017. The reversal of 2120001013 is 3101000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120001013 - 2⁹ = 2120000501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120001017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362745 + ... + 368542.

It is an arithmetic number, because the mean of its divisors is an integer number (286664896).

Almost surely, 2^2120001013 is an apocalyptic number.

It is an amenable number.

2120001013 is a deficient number, since it is larger than the sum of its proper divisors (173318155).

2120001013 is a wasteful number, since it uses less digits than its factorization.

2120001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731523.

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

The square root of 2120001013 is about 46043.4687333611. The cubic root of 2120001013 is about 1284.6318623244.

Adding to 2120001013 its reverse (3101000212), we get a palindrome (5221001225).

The spelling of 2120001013 in words is "two billion, one hundred twenty million, one thousand, thirteen".