2013203122 has 12 divisors (see below), whose sum is σ = 3512834190. Its totient is φ = 862801296.

The previous prime is 2013203119. The next prime is 2013203149. The reversal of 2013203122 is 2213023102.

It can be written as a sum of positive squares in only one way, i.e., 1777549921 + 235653201 = 42161^2 + 15351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2013203096 and 2013203105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10271347 + ... + 10271542.

Almost surely, 2^2013203122 is an apocalyptic number.

2013203122 is a deficient number, since it is larger than the sum of its proper divisors (1499631068).

2013203122 is a wasteful number, since it uses less digits than its factorization.

2013203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20542905 (or 20542898 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2013203122 is about 44868.7321193724. The cubic root of 2013203122 is about 1262.6874531581.

Adding to 2013203122 its reverse (2213023102), we get a palindrome (4226226224).

The spelling of 2013203122 in words is "two billion, thirteen million, two hundred three thousand, one hundred twenty-two".