2012200212109 has 2 divisors, whose sum is σ = 2012200212110. Its totient is φ = 2012200212108.

The previous prime is 2012200212097. The next prime is 2012200212131. The reversal of 2012200212109 is 9012120022102.

It is an a-pointer prime, because the next prime (2012200212131) can be obtained adding 2012200212109 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1540887755625 + 471312456484 = 1241325^2 + 686522^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012200212109 - 2²³ = 2012191823501 is a prime.

It is a super-2 number, since 2×2012200212109² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2012200212109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012200212149) 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, 1006100106054 + 1006100106055.

It is an arithmetic number, because the mean of its divisors is an integer number (1006100106055).

Almost surely, 2^{2012200212109} is an apocalyptic number.

It is an amenable number.

2012200212109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012200212109 is an equidigital number, since it uses as much as digits as its factorization.

2012200212109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 2012200212109 in words is "two trillion, twelve billion, two hundred million, two hundred twelve thousand, one hundred nine".