12001313111 has 2 divisors, whose sum is σ = 12001313112. Its totient is φ = 12001313110.

The previous prime is 12001313099. The next prime is 12001313119. The reversal of 12001313111 is 11131310021.

It is a happy number.

12001313111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001313111 - 2¹⁸ = 12001050967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001313119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000656555 + 6000656556.

It is an arithmetic number, because the mean of its divisors is an integer number (6000656556).

Almost surely, 2^12001313111 is an apocalyptic number.

12001313111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001313111 is an equidigital number, since it uses as much as digits as its factorization.

12001313111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 12001313111 its reverse (11131310021), we get a palindrome (23132623132).

The spelling of 12001313111 in words is "twelve billion, one million, three hundred thirteen thousand, one hundred eleven".