2012002199689 has 2 divisors, whose sum is σ = 2012002199690. Its totient is φ = 2012002199688.

The previous prime is 2012002199677. The next prime is 2012002199783. The reversal of 2012002199689 is 9869912002102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1503340827664 + 508661372025 = 1226108^2 + 713205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012002199689 - 2⁵ = 2012002199657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012002199629) 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, 1006001099844 + 1006001099845.

It is an arithmetic number, because the mean of its divisors is an integer number (1006001099845).

Almost surely, 2^{2012002199689} is an apocalyptic number.

It is an amenable number.

2012002199689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012002199689 is an equidigital number, since it uses as much as digits as its factorization.

2012002199689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 2012002199689 in words is "two trillion, twelve billion, two million, one hundred ninety-nine thousand, six hundred eighty-nine".