12011112163 has 2 divisors, whose sum is σ = 12011112164. Its totient is φ = 12011112162.

The previous prime is 12011112079. The next prime is 12011112209. The reversal of 12011112163 is 36121111021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011112163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12011112163.

It is not a weakly prime, because it can be changed into another prime (12011112263) 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 as a sum of consecutive naturals, namely, 6005556081 + 6005556082.

It is an arithmetic number, because the mean of its divisors is an integer number (6005556082).

Almost surely, 2^12011112163 is an apocalyptic number.

12011112163 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011112163 is an equidigital number, since it uses as much as digits as its factorization.

12011112163 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 19.

Adding to 12011112163 its reverse (36121111021), we get a palindrome (48132223184).

The spelling of 12011112163 in words is "twelve billion, eleven million, one hundred twelve thousand, one hundred sixty-three".