12122120112011 has 16 divisors (see below), whose sum is σ = 14923069190400. Its totient is φ = 9588854379168.

The previous prime is 12122120111999. The next prime is 12122120112019. The reversal of 12122120112011 is 11021102122121.

12122120112011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12122120112011 - 2¹⁸ = 12122119849867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122120112019) 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, 15403001 + ... + 16170858.

It is an arithmetic number, because the mean of its divisors is an integer number (932691824400).

Almost surely, 2^{12122120112011} is an apocalyptic number.

12122120112011 is a deficient number, since it is larger than the sum of its proper divisors (2800949078389).

12122120112011 is a wasteful number, since it uses less digits than its factorization.

12122120112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31578098.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12122120112011 its reverse (11021102122121), we get a palindrome (23143222234132).

The spelling of 12122120112011 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, eleven".