12010199917 has 2 divisors, whose sum is σ = 12010199918. Its totient is φ = 12010199916.

The previous prime is 12010199879. The next prime is 12010200031. The reversal of 12010199917 is 71999101021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11657736841 + 352463076 = 107971^2 + 18774^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010199917 - 2²⁷ = 11875982189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12010199917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010190917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005099958 + 6005099959.

It is an arithmetic number, because the mean of its divisors is an integer number (6005099959).

Almost surely, 2^12010199917 is an apocalyptic number.

It is an amenable number.

12010199917 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010199917 is an equidigital number, since it uses as much as digits as its factorization.

12010199917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 40.

The spelling of 12010199917 in words is "twelve billion, ten million, one hundred ninety-nine thousand, nine hundred seventeen".