12002011771 has 2 divisors, whose sum is σ = 12002011772. Its totient is φ = 12002011770.

The previous prime is 12002011759. The next prime is 12002011787. The reversal of 12002011771 is 17711020021.

12002011771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12002011771 - 2¹³ = 12002003579 is a prime.

It is not a weakly prime, because it can be changed into another prime (12002011711) 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, 6001005885 + 6001005886.

It is an arithmetic number, because the mean of its divisors is an integer number (6001005886).

Almost surely, 2^12002011771 is an apocalyptic number.

12002011771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002011771 is an equidigital number, since it uses as much as digits as its factorization.

12002011771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 22.

Adding to 12002011771 its reverse (17711020021), we get a palindrome (29713031792).

The spelling of 12002011771 in words is "twelve billion, two million, eleven thousand, seven hundred seventy-one".