4012302405217 has 2 divisors, whose sum is σ = 4012302405218. Its totient is φ = 4012302405216.

The previous prime is 4012302405187. The next prime is 4012302405229. The reversal of 4012302405217 is 7125042032104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3697759777936 + 314542627281 = 1922956^2 + 560841^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012302405217 - 2³¹ = 4010154921569 is a prime.

It is not a weakly prime, because it can be changed into another prime (4012302409217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006151202608 + 2006151202609.

It is an arithmetic number, because the mean of its divisors is an integer number (2006151202609).

Almost surely, 2^{4012302405217} is an apocalyptic number.

It is an amenable number.

4012302405217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012302405217 is an equidigital number, since it uses as much as digits as its factorization.

4012302405217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 4012302405217 in words is "four trillion, twelve billion, three hundred two million, four hundred five thousand, two hundred seventeen".