210120002212069 has 2 divisors, whose sum is σ = 210120002212070. Its totient is φ = 210120002212068.

The previous prime is 210120002212063. The next prime is 210120002212121. The reversal of 210120002212069 is 960212200021012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173872257439969 + 36247744772100 = 13186063^2 + 6020610^2 .

It is a cyclic number.

It is not a de Polignac number, because 210120002212069 - 2³ = 210120002212061 is a prime.

It is a super-2 number, since 2×210120002212069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210120002212061) 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, 105060001106034 + 105060001106035.

It is an arithmetic number, because the mean of its divisors is an integer number (105060001106035).

Almost surely, 2^{210120002212069} is an apocalyptic number.

It is an amenable number.

210120002212069 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120002212069 is an equidigital number, since it uses as much as digits as its factorization.

210120002212069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 210120002212069 in words is "two hundred ten trillion, one hundred twenty billion, two million, two hundred twelve thousand, sixty-nine".