12001100000118 has 32 divisors (see below), whose sum is σ = 24583527627264. Its totient is φ = 3903969302112.

The previous prime is 12001100000111. The next prime is 12001100000129. The reversal of 12001100000118 is 81100000110021.

It is a junction number, because it is equal to n+sod(n) for n = 12001100000097 and 12001100000106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001100000111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61223605 + ... + 61419312.

It is an arithmetic number, because the mean of its divisors is an integer number (768235238352).

Almost surely, 2^{12001100000118} is an apocalyptic number.

12001100000118 is an abundant number, since it is smaller than the sum of its proper divisors (12582427627146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001100000118 is a wasteful number, since it uses less digits than its factorization.

12001100000118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122643316.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12001100000118 its reverse (81100000110021), we get a palindrome (93101100110139).

The spelling of 12001100000118 in words is "twelve trillion, one billion, one hundred million, one hundred eighteen", and thus it is an aban number.