42120002300171 has 2 divisors, whose sum is σ = 42120002300172. Its totient is φ = 42120002300170.

The previous prime is 42120002300141. The next prime is 42120002300203. The reversal of 42120002300171 is 17100320002124.

42120002300171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42120002300171 - 2⁶ = 42120002300107 is a prime.

It is not a weakly prime, because it can be changed into another prime (42120002300141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21060001150085 + 21060001150086.

It is an arithmetic number, because the mean of its divisors is an integer number (21060001150086).

Almost surely, 2^{42120002300171} is an apocalyptic number.

42120002300171 is a deficient number, since it is larger than the sum of its proper divisors (1).

42120002300171 is an equidigital number, since it uses as much as digits as its factorization.

42120002300171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 42120002300171 its reverse (17100320002124), we get a palindrome (59220322302295).

The spelling of 42120002300171 in words is "forty-two trillion, one hundred twenty billion, two million, three hundred thousand, one hundred seventy-one".