12000110081 has 2 divisors, whose sum is σ = 12000110082. Its totient is φ = 12000110080.

The previous prime is 12000110039. The next prime is 12000110113. The reversal of 12000110081 is 18001100021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6591978481 + 5408131600 = 81191^2 + 73540^2 .

It is an emirp because it is prime and its reverse (18001100021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12000110081 - 2¹⁴ = 12000093697 is a prime.

It is a super-2 number, since 2×12000110081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12000110281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000055040 + 6000055041.

It is an arithmetic number, because the mean of its divisors is an integer number (6000055041).

Almost surely, 2^12000110081 is an apocalyptic number.

It is an amenable number.

12000110081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000110081 is an equidigital number, since it uses as much as digits as its factorization.

12000110081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

The spelling of 12000110081 in words is "twelve billion, one hundred ten thousand, eighty-one".