120019946469217 has 2 divisors, whose sum is σ = 120019946469218. Its totient is φ = 120019946469216.

The previous prime is 120019946469209. The next prime is 120019946469253. The reversal of 120019946469217 is 712964649910021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115126011443041 + 4893935026176 = 10729679^2 + 2212224^2 .

It is a cyclic number.

It is not a de Polignac number, because 120019946469217 - 2³ = 120019946469209 is a prime.

It is not a weakly prime, because it can be changed into another prime (120019946469257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60009973234608 + 60009973234609.

It is an arithmetic number, because the mean of its divisors is an integer number (60009973234609).

Almost surely, 2^{120019946469217} is an apocalyptic number.

It is an amenable number.

120019946469217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120019946469217 is an equidigital number, since it uses as much as digits as its factorization.

120019946469217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 120019946469217 in words is "one hundred twenty trillion, nineteen billion, nine hundred forty-six million, four hundred sixty-nine thousand, two hundred seventeen".