12011112120011 has 16 divisors (see below), whose sum is σ = 12169680784800. Its totient is φ = 11852877484800.

The previous prime is 12011112119899. The next prime is 12011112120019. The reversal of 12011112120011 is 11002121111021.

It is a cyclic number.

It is not a de Polignac number, because 12011112120011 - 2¹⁰ = 12011112118987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011112120019) 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 15 ways as a sum of consecutive naturals, for example, 848894765 + ... + 848908913.

It is an arithmetic number, because the mean of its divisors is an integer number (760605049050).

Almost surely, 2^{12011112120011} is an apocalyptic number.

12011112120011 is a deficient number, since it is larger than the sum of its proper divisors (158568664789).

12011112120011 is a wasteful number, since it uses less digits than its factorization.

12011112120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25166.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12011112120011 its reverse (11002121111021), we get a palindrome (23013233231032).

The spelling of 12011112120011 in words is "twelve trillion, eleven billion, one hundred twelve million, one hundred twenty thousand, eleven".