117212810269 has 2 divisors, whose sum is σ = 117212810270. Its totient is φ = 117212810268.

The previous prime is 117212810177. The next prime is 117212810293. The reversal of 117212810269 is 962018212711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117211739044 + 1071225 = 342362^2 + 1035^2 .

It is an emirp because it is prime and its reverse (962018212711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117212810269 - 2⁹ = 117212809757 is a prime.

It is a super-2 number, since 2×117212810269² (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 (117212810069) 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, 58606405134 + 58606405135.

It is an arithmetic number, because the mean of its divisors is an integer number (58606405135).

Almost surely, 2^117212810269 is an apocalyptic number.

It is an amenable number.

117212810269 is a deficient number, since it is larger than the sum of its proper divisors (1).

117212810269 is an equidigital number, since it uses as much as digits as its factorization.

117212810269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 117212810269 in words is "one hundred seventeen billion, two hundred twelve million, eight hundred ten thousand, two hundred sixty-nine".