12033323211 has 32 divisors (see below), whose sum is σ = 19790407168. Its totient is φ = 6333292800.

The previous prime is 12033323209. The next prime is 12033323221. The reversal of 12033323211 is 11232333021.

It is not a de Polignac number, because 12033323211 - 2¹ = 12033323209 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (12033323221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76536 + ... + 172986.

It is an arithmetic number, because the mean of its divisors is an integer number (618450224).

Almost surely, 2^12033323211 is an apocalyptic number.

12033323211 is a deficient number, since it is larger than the sum of its proper divisors (7757083957).

12033323211 is a wasteful number, since it uses less digits than its factorization.

12033323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96931.

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

Adding to 12033323211 its reverse (11232333021), we get a palindrome (23265656232).

The spelling of 12033323211 in words is "twelve billion, thirty-three million, three hundred twenty-three thousand, two hundred eleven".