122345120002309 has 2 divisors, whose sum is σ = 122345120002310. Its totient is φ = 122345120002308.

The previous prime is 122345120002267. The next prime is 122345120002337. The reversal of 122345120002309 is 903200021543221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113228965628100 + 9116154374209 = 10640910^2 + 3019297^2 .

It is an emirp because it is prime and its reverse (903200021543221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122345120002309 - 2⁴¹ = 120146096746757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122345120002379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61172560001154 + 61172560001155.

It is an arithmetic number, because the mean of its divisors is an integer number (61172560001155).

Almost surely, 2^{122345120002309} is an apocalyptic number.

It is an amenable number.

122345120002309 is a deficient number, since it is larger than the sum of its proper divisors (1).

122345120002309 is an equidigital number, since it uses as much as digits as its factorization.

122345120002309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 122345120002309 in words is "one hundred twenty-two trillion, three hundred forty-five billion, one hundred twenty million, two thousand, three hundred nine".