2013121033 has 16 divisors (see below), whose sum is σ = 2571085440. Its totient is φ = 1530403200.

The previous prime is 2013121013. The next prime is 2013121037. The reversal of 2013121033 is 3301213102.

It is a cyclic number.

It is not a de Polignac number, because 2013121033 - 2⁵ = 2013121001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013120998 and 2013121016.

It is not an unprimeable number, because it can be changed into a prime (2013121037) 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, 315678 + ... + 321991.

It is an arithmetic number, because the mean of its divisors is an integer number (160692840).

Almost surely, 2^2013121033 is an apocalyptic number.

It is an amenable number.

2013121033 is a deficient number, since it is larger than the sum of its proper divisors (557964407).

2013121033 is a wasteful number, since it uses less digits than its factorization.

2013121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637728.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2013121033 is about 44867.8173416091. The cubic root of 2013121033 is about 1262.6702907635.

Adding to 2013121033 its reverse (3301213102), we get a palindrome (5314334135).

The spelling of 2013121033 in words is "two billion, thirteen million, one hundred twenty-one thousand, thirty-three".