12001010689 has 2 divisors, whose sum is σ = 12001010690. Its totient is φ = 12001010688.

The previous prime is 12001010627. The next prime is 12001010729. The reversal of 12001010689 is 98601010021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6894479089 + 5106531600 = 83033^2 + 71460^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001010689 - 2¹⁵ = 12000977921 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001010389) 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, 6000505344 + 6000505345.

It is an arithmetic number, because the mean of its divisors is an integer number (6000505345).

Almost surely, 2^12001010689 is an apocalyptic number.

It is an amenable number.

12001010689 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001010689 is an equidigital number, since it uses as much as digits as its factorization.

12001010689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 12001010689 in words is "twelve billion, one million, ten thousand, six hundred eighty-nine".