212110012210069 has 2 divisors, whose sum is σ = 212110012210070. Its totient is φ = 212110012210068.

The previous prime is 212110012210027. The next prime is 212110012210157. The reversal of 212110012210069 is 960012210011212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205235851863025 + 6874160347044 = 14326055^2 + 2621862^2 .

It is a cyclic number.

It is not a de Polignac number, because 212110012210069 - 2⁴³ = 203313919187861 is a prime.

It is a super-2 number, since 2×212110012210069² (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 (212110010210069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055006105034 + 106055006105035.

It is an arithmetic number, because the mean of its divisors is an integer number (106055006105035).

Almost surely, 2^{212110012210069} is an apocalyptic number.

It is an amenable number.

212110012210069 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110012210069 is an equidigital number, since it uses as much as digits as its factorization.

212110012210069 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 212110012210069 in words is "two hundred twelve trillion, one hundred ten billion, twelve million, two hundred ten thousand, sixty-nine".