12000121200011 has 16 divisors (see below), whose sum is σ = 14187857745600. Its totient is φ = 9930769150848.

The previous prime is 12000121199993. The next prime is 12000121200019. The reversal of 12000121200011 is 11000212100021.

It is not a de Polignac number, because 12000121200011 - 2²⁶ = 12000054091147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000121199965 and 12000121200001.

It is not an unprimeable number, because it can be changed into a prime (12000121200019) 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, 4509881 + ... + 6658773.

It is an arithmetic number, because the mean of its divisors is an integer number (886741109100).

Almost surely, 2^{12000121200011} is an apocalyptic number.

12000121200011 is a deficient number, since it is larger than the sum of its proper divisors (2187736545589).

12000121200011 is a wasteful number, since it uses less digits than its factorization.

12000121200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176438.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12000121200011 its reverse (11000212100021), we get a palindrome (23000333300032).

The spelling of 12000121200011 in words is "twelve trillion, one hundred twenty-one million, two hundred thousand, eleven".