12017720063 has 2 divisors, whose sum is σ = 12017720064. Its totient is φ = 12017720062.

The previous prime is 12017720017. The next prime is 12017720111. The reversal of 12017720063 is 36002771021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12017720063 - 2¹⁴ = 12017703679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12017725063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6008860031 + 6008860032.

It is an arithmetic number, because the mean of its divisors is an integer number (6008860032).

Almost surely, 2^12017720063 is an apocalyptic number.

12017720063 is a deficient number, since it is larger than the sum of its proper divisors (1).

12017720063 is an equidigital number, since it uses as much as digits as its factorization.

12017720063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The spelling of 12017720063 in words is "twelve billion, seventeen million, seven hundred twenty thousand, sixty-three".