120120210112109 has 16 divisors (see below), whose sum is σ = 127718185959936. Its totient is φ = 112581386265600.

The previous prime is 120120210112093. The next prime is 120120210112223. The reversal of 120120210112109 is 901211012021021.

It is a happy number.

It is not a de Polignac number, because 120120210112109 - 2⁴ = 120120210112093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120210115109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123930854 + ... + 124896344.

It is an arithmetic number, because the mean of its divisors is an integer number (7982386622496).

Almost surely, 2^{120120210112109} is an apocalyptic number.

It is an amenable number.

120120210112109 is a deficient number, since it is larger than the sum of its proper divisors (7597975847827).

120120210112109 is a wasteful number, since it uses less digits than its factorization.

120120210112109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996116.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 120120210112109 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred ten million, one hundred twelve thousand, one hundred nine".