12133320213 has 16 divisors (see below), whose sum is σ = 18509193216. Its totient is φ = 6925704240.

The previous prime is 12133320187. The next prime is 12133320233. The reversal of 12133320213 is 31202333121.

12133320213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12133320213 - 2²⁰ = 12132271637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12133320213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133320233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297981 + ... + 336242.

It is an arithmetic number, because the mean of its divisors is an integer number (1156824576).

Almost surely, 2^12133320213 is an apocalyptic number.

It is an amenable number.

12133320213 is a deficient number, since it is larger than the sum of its proper divisors (6375873003).

12133320213 is an equidigital number, since it uses as much as digits as its factorization.

12133320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635144.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12133320213 its reverse (31202333121), we get a palindrome (43335653334).

The spelling of 12133320213 in words is "twelve billion, one hundred thirty-three million, three hundred twenty thousand, two hundred thirteen".