2124207243217 has 2 divisors, whose sum is σ = 2124207243218. Its totient is φ = 2124207243216.

The previous prime is 2124207243163. The next prime is 2124207243229. The reversal of 2124207243217 is 7123427024212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1951318434816 + 172888808401 = 1396896^2 + 415799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124207243217 - 2⁷ = 2124207243089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2124207243287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062103621608 + 1062103621609.

It is an arithmetic number, because the mean of its divisors is an integer number (1062103621609).

Almost surely, 2^{2124207243217} is an apocalyptic number.

It is an amenable number.

2124207243217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124207243217 is an equidigital number, since it uses as much as digits as its factorization.

2124207243217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 2124207243217 in words is "two trillion, one hundred twenty-four billion, two hundred seven million, two hundred forty-three thousand, two hundred seventeen".