12033111211 has 8 divisors (see below), whose sum is σ = 13128450048. Its totient is φ = 10938009000.

The previous prime is 12033111203. The next prime is 12033111257. The reversal of 12033111211 is 11211133021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12033111211 - 2³ = 12033111203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12033111281) 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 7 ways as a sum of consecutive naturals, for example, 57126 + ... + 165316.

It is an arithmetic number, because the mean of its divisors is an integer number (1641056256).

Almost surely, 2^12033111211 is an apocalyptic number.

12033111211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12033111211 is a deficient number, since it is larger than the sum of its proper divisors (1095338837).

12033111211 is a wasteful number, since it uses less digits than its factorization.

12033111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118313.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12033111211 its reverse (11211133021), we get a palindrome (23244244232).

The spelling of 12033111211 in words is "twelve billion, thirty-three million, one hundred eleven thousand, two hundred eleven".