117212810069 has 2 divisors, whose sum is σ = 117212810070. Its totient is φ = 117212810068.

The previous prime is 117212810063. The next prime is 117212810137. The reversal of 117212810069 is 960018212711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116921595844 + 291214225 = 341938^2 + 17065^2 .

It is a cyclic number.

It is not a de Polignac number, because 117212810069 - 2²⁰ = 117211761493 is a prime.

It is a super-2 number, since 2×117212810069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117212810063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58606405034 + 58606405035.

It is an arithmetic number, because the mean of its divisors is an integer number (58606405035).

Almost surely, 2^117212810069 is an apocalyptic number.

It is an amenable number.

117212810069 is a deficient number, since it is larger than the sum of its proper divisors (1).

117212810069 is an equidigital number, since it uses as much as digits as its factorization.

117212810069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 117212810069 in words is "one hundred seventeen billion, two hundred twelve million, eight hundred ten thousand, sixty-nine".