2013120001 has 4 divisors (see below), whose sum is σ = 2014203604. Its totient is φ = 2012036400.

The previous prime is 2013119971. The next prime is 2013120007. The reversal of 2013120001 is 1000213102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65221776 + 1947898225 = 8076^2 + 44135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013120001 - 2¹⁵ = 2013087233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013120001.

It is not an unprimeable number, because it can be changed into a prime (2013120007) 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, 539010 + ... + 542731.

It is an arithmetic number, because the mean of its divisors is an integer number (503550901).

Almost surely, 2^2013120001 is an apocalyptic number.

It is an amenable number.

2013120001 is a deficient number, since it is larger than the sum of its proper divisors (1083603).

2013120001 is a wasteful number, since it uses less digits than its factorization.

2013120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083602.

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

The square root of 2013120001 is about 44867.8058411596. The cubic root of 2013120001 is about 1262.6700749996.

Adding to 2013120001 its reverse (1000213102), we get a palindrome (3013333103).

The spelling of 2013120001 in words is "two billion, thirteen million, one hundred twenty thousand, one".