12001111100201 has 4 divisors (see below), whose sum is σ = 12001335561600. Its totient is φ = 12000886638804.

The previous prime is 12001111100189. The next prime is 12001111100203. The reversal of 12001111100201 is 10200111110021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12001111100201 - 2²⁶ = 12001043991337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001111100203) 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, 112150481 + ... + 112257438.

It is an arithmetic number, because the mean of its divisors is an integer number (3000333890400).

Almost surely, 2^{12001111100201} is an apocalyptic number.

It is an amenable number.

12001111100201 is a deficient number, since it is larger than the sum of its proper divisors (224461399).

12001111100201 is an equidigital number, since it uses as much as digits as its factorization.

12001111100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224461398.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12001111100201 its reverse (10200111110021), we get a palindrome (22201222210222).

It can be divided in two parts, 1200111110020 and 1, that added together give a palindrome (1200111110021).

The spelling of 12001111100201 in words is "twelve trillion, one billion, one hundred eleven million, one hundred thousand, two hundred one".