12001233301111 has 4 divisors (see below), whose sum is σ = 12001573787224. Its totient is φ = 12000892815000.

The previous prime is 12001233301091. The next prime is 12001233301151. The reversal of 12001233301111 is 11110333210021.

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 12001233301111 - 2³¹ = 11999085817463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001233301151) 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, 170190180 + ... + 170260681.

It is an arithmetic number, because the mean of its divisors is an integer number (3000393446806).

Almost surely, 2^{12001233301111} is an apocalyptic number.

12001233301111 is a deficient number, since it is larger than the sum of its proper divisors (340486113).

12001233301111 is an equidigital number, since it uses as much as digits as its factorization.

12001233301111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340486112.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12001233301111 its reverse (11110333210021), we get a palindrome (23111566511132).

The spelling of 12001233301111 in words is "twelve trillion, one billion, two hundred thirty-three million, three hundred one thousand, one hundred eleven".