12033321133 has 4 divisors (see below), whose sum is σ = 12033672480. Its totient is φ = 12032969788.

The previous prime is 12033321127. The next prime is 12033321149. The reversal of 12033321133 is 33112333021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12033321133 - 2²⁹ = 11496450221 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 (12033321163) 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, 117985 + ... + 194902.

It is an arithmetic number, because the mean of its divisors is an integer number (3008418120).

Almost surely, 2^12033321133 is an apocalyptic number.

It is an amenable number.

12033321133 is a deficient number, since it is larger than the sum of its proper divisors (351347).

12033321133 is an equidigital number, since it uses as much as digits as its factorization.

12033321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351346.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12033321133 its reverse (33112333021), we get a palindrome (45145654154).

The spelling of 12033321133 in words is "twelve billion, thirty-three million, three hundred twenty-one thousand, one hundred thirty-three".