12023221033 has 8 divisors (see below), whose sum is σ = 12658836320. Its totient is φ = 11387887200.

The previous prime is 12023220971. The next prime is 12023221037. The reversal of 12023221033 is 33012232021.

12023221033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12023221033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 12023221033.

It is not an unprimeable number, because it can be changed into a prime (12023221037) 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 7 ways as a sum of consecutive naturals, for example, 20341 + ... + 156397.

It is an arithmetic number, because the mean of its divisors is an integer number (1582354540).

Almost surely, 2^12023221033 is an apocalyptic number.

It is an amenable number.

12023221033 is a deficient number, since it is larger than the sum of its proper divisors (635615287).

12023221033 is a wasteful number, since it uses less digits than its factorization.

12023221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140727.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12023221033 its reverse (33012232021), we get a palindrome (45035453054).

The spelling of 12023221033 in words is "twelve billion, twenty-three million, two hundred twenty-one thousand, thirty-three".