12033112211 has 4 divisors (see below), whose sum is σ = 12041653800. Its totient is φ = 12024570624.

The previous prime is 12033112207. The next prime is 12033112229. The reversal of 12033112211 is 11221133021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12033112211 - 2² = 12033112207 is a prime.

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 12033112211.

It is not an unprimeable number, because it can be changed into a prime (12033112271) 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, 4268681 + ... + 4271498.

It is an arithmetic number, because the mean of its divisors is an integer number (3010413450).

Almost surely, 2^12033112211 is an apocalyptic number.

12033112211 is a deficient number, since it is larger than the sum of its proper divisors (8541589).

12033112211 is an equidigital number, since it uses as much as digits as its factorization.

12033112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541588.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12033112211 its reverse (11221133021), we get a palindrome (23254245232).

The spelling of 12033112211 in words is "twelve billion, thirty-three million, one hundred twelve thousand, two hundred eleven".