12001300111 has 4 divisors (see below), whose sum is σ = 12523095792. Its totient is φ = 11479504432.

The previous prime is 12001300067. The next prime is 12001300123. The reversal of 12001300111 is 11100310021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001300111 is a prime.

It is a super-2 number, since 2×12001300111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001300151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260897806 + ... + 260897851.

It is an arithmetic number, because the mean of its divisors is an integer number (3130773948).

Almost surely, 2^12001300111 is an apocalyptic number.

12001300111 is a deficient number, since it is larger than the sum of its proper divisors (521795681).

12001300111 is an equidigital number, since it uses as much as digits as its factorization.

12001300111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521795680.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 12001300111 its reverse (11100310021), we get a palindrome (23101610132).

The spelling of 12001300111 in words is "twelve billion, one million, three hundred thousand, one hundred eleven".