120203102017 has 4 divisors (see below), whose sum is σ = 120249461380. Its totient is φ = 120156742656.

The previous prime is 120203101973. The next prime is 120203102119. The reversal of 120203102017 is 710201302021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 710201302021 = 79 ⋅8989889899.

It can be written as a sum of positive squares in 2 ways, for example, as 84167293456 + 36035808561 = 290116^2 + 189831^2 .

It is a cyclic number.

It is not a de Polignac number, because 120203102017 - 2¹¹ = 120203099969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120203101985 and 120203102003.

It is not an unprimeable number, because it can be changed into a prime (120203103017) 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, 23175792 + ... + 23180977.

It is an arithmetic number, because the mean of its divisors is an integer number (30062365345).

Almost surely, 2^120203102017 is an apocalyptic number.

It is an amenable number.

120203102017 is a deficient number, since it is larger than the sum of its proper divisors (46359363).

120203102017 is an equidigital number, since it uses as much as digits as its factorization.

120203102017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46359362.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 120203102017 its reverse (710201302021), we get a palindrome (830404404038).

The spelling of 120203102017 in words is "one hundred twenty billion, two hundred three million, one hundred two thousand, seventeen".