101212102120069 has 2 divisors, whose sum is σ = 101212102120070. Its totient is φ = 101212102120068.

The previous prime is 101212102120009. The next prime is 101212102120123. The reversal of 101212102120069 is 960021201212101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53722596384900 + 47489505735169 = 7329570^2 + 6891263^2 .

It is a cyclic number.

It is not a de Polignac number, because 101212102120069 - 2¹³ = 101212102111877 is a prime.

It is a super-2 number, since 2×101212102120069² (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 (101212102120009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606051060034 + 50606051060035.

It is an arithmetic number, because the mean of its divisors is an integer number (50606051060035).

Almost surely, 2^{101212102120069} is an apocalyptic number.

It is an amenable number.

101212102120069 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212102120069 is an equidigital number, since it uses as much as digits as its factorization.

101212102120069 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 101212102120069 in words is "one hundred one trillion, two hundred twelve billion, one hundred two million, one hundred twenty thousand, sixty-nine".