12000210111121 has 16 divisors (see below), whose sum is σ = 12334700657664. Its totient is φ = 11668249558224.

The previous prime is 12000210111119. The next prime is 12000210111139. The reversal of 12000210111121 is 12111101200021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12000210111121 - 2¹ = 12000210111119 is a prime.

It is a super-2 number, since 2×12000210111121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000210111161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98554540 + ... + 98676226.

It is an arithmetic number, because the mean of its divisors is an integer number (770918791104).

Almost surely, 2^{12000210111121} is an apocalyptic number.

It is an amenable number.

12000210111121 is a deficient number, since it is larger than the sum of its proper divisors (334490546543).

12000210111121 is a wasteful number, since it uses less digits than its factorization.

12000210111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132060.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12000210111121 its reverse (12111101200021), we get a palindrome (24111311311142).

The spelling of 12000210111121 in words is "twelve trillion, two hundred ten million, one hundred eleven thousand, one hundred twenty-one".