12000100111111 has 4 divisors (see below), whose sum is σ = 13714400126992. Its totient is φ = 10285800095232.

The previous prime is 12000100110997. The next prime is 12000100111141. The reversal of 12000100111111 is 11111100100021.

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 12000100111111 - 2⁹ = 12000100110599 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 (12000100111141) 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, 857150007930 + ... + 857150007943.

It is an arithmetic number, because the mean of its divisors is an integer number (3428600031748).

Almost surely, 2^{12000100111111} is an apocalyptic number.

12000100111111 is a deficient number, since it is larger than the sum of its proper divisors (1714300015881).

12000100111111 is an equidigital number, since it uses as much as digits as its factorization.

12000100111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714300015880.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 12000100111111 its reverse (11111100100021), we get a palindrome (23111200211132).

The spelling of 12000100111111 in words is "twelve trillion, one hundred million, one hundred eleven thousand, one hundred eleven".