12001233201211 has 16 divisors (see below), whose sum is σ = 12243599463168. Its totient is φ = 11759463570400.

The previous prime is 12001233201197. The next prime is 12001233201227. The reversal of 12001233201211 is 11210233210021.

It is a cyclic number.

It is not a de Polignac number, because 12001233201211 - 2²⁷ = 12001098983483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001233201011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201241980 + ... + 201301606.

It is an arithmetic number, because the mean of its divisors is an integer number (765224966448).

Almost surely, 2^{12001233201211} is an apocalyptic number.

12001233201211 is a deficient number, since it is larger than the sum of its proper divisors (242366261957).

12001233201211 is an equidigital number, since it uses as much as digits as its factorization.

12001233201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64562.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12001233201211 its reverse (11210233210021), we get a palindrome (23211466411232).

The spelling of 12001233201211 in words is "twelve trillion, one billion, two hundred thirty-three million, two hundred one thousand, two hundred eleven".