12022011191 has 2 divisors, whose sum is σ = 12022011192. Its totient is φ = 12022011190.

The previous prime is 12022011163. The next prime is 12022011233. The reversal of 12022011191 is 19111022021.

12022011191 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 12022011191 - 2²² = 12017816887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022011101) 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, 6011005595 + 6011005596.

It is an arithmetic number, because the mean of its divisors is an integer number (6011005596).

Almost surely, 2^12022011191 is an apocalyptic number.

12022011191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022011191 is an equidigital number, since it uses as much as digits as its factorization.

12022011191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12022011191 in words is "twelve billion, twenty-two million, eleven thousand, one hundred ninety-one".