120220112209 has 4 divisors (see below), whose sum is σ = 123015928816. Its totient is φ = 117424295604.

The previous prime is 120220112197. The next prime is 120220112231. The reversal of 120220112209 is 902211022021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 902211022021 = 821 ⋅1098917201.

It is a cyclic number.

It is not a de Polignac number, because 120220112209 - 2²³ = 120211723601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120220112209.

It is not an unprimeable number, because it can be changed into a prime (120220112279) 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 in 3 ways as a sum of consecutive naturals, for example, 1397908239 + ... + 1397908324.

It is an arithmetic number, because the mean of its divisors is an integer number (30753982204).

Almost surely, 2^120220112209 is an apocalyptic number.

It is an amenable number.

120220112209 is a deficient number, since it is larger than the sum of its proper divisors (2795816607).

120220112209 is an equidigital number, since it uses as much as digits as its factorization.

120220112209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795816606.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 120220112209 in words is "one hundred twenty billion, two hundred twenty million, one hundred twelve thousand, two hundred nine".