12012010117 has 2 divisors, whose sum is σ = 12012010118. Its totient is φ = 12012010116.

The previous prime is 12012010099. The next prime is 12012010133. The reversal of 12012010117 is 71101021021.

It is an a-pointer prime, because the next prime (12012010133) can be obtained adding 12012010117 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12001421601 + 10588516 = 109551^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012010117 - 2¹⁵ = 12011977349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12012010117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012011117) 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, 6006005058 + 6006005059.

It is an arithmetic number, because the mean of its divisors is an integer number (6006005059).

Almost surely, 2^12012010117 is an apocalyptic number.

It is an amenable number.

12012010117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012010117 is an equidigital number, since it uses as much as digits as its factorization.

12012010117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 12012010117 its reverse (71101021021), we get a palindrome (83113031138).

The spelling of 12012010117 in words is "twelve billion, twelve million, ten thousand, one hundred seventeen".