120443420311017 has 4 divisors (see below), whose sum is σ = 160591227081360. Its totient is φ = 80295613540676.

The previous prime is 120443420310959. The next prime is 120443420311021. The reversal of 120443420311017 is 710113024344021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120443420311017 - 2¹⁸ = 120443420048873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120443420311037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20073903385167 + ... + 20073903385172.

It is an arithmetic number, because the mean of its divisors is an integer number (40147806770340).

Almost surely, 2^{120443420311017} is an apocalyptic number.

It is an amenable number.

120443420311017 is a deficient number, since it is larger than the sum of its proper divisors (40147806770343).

120443420311017 is an equidigital number, since it uses as much as digits as its factorization.

120443420311017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40147806770342.

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 120443420311017 its reverse (710113024344021), we get a palindrome (830556444655038).

The spelling of 120443420311017 in words is "one hundred twenty trillion, four hundred forty-three billion, four hundred twenty million, three hundred eleven thousand, seventeen".