12000012110121 has 16 divisors (see below), whose sum is σ = 18658910960000. Its totient is φ = 6857149776624.

The previous prime is 12000012110113. The next prime is 12000012110221. The reversal of 12000012110121 is 12101121000021.

It is not a de Polignac number, because 12000012110121 - 2³ = 12000012110113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000012110097 and 12000012110106.

It is not an unprimeable number, because it can be changed into a prime (12000012110221) 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, 5830908646 + ... + 5830910703.

It is an arithmetic number, because the mean of its divisors is an integer number (1166181935000).

Almost surely, 2^{12000012110121} is an apocalyptic number.

It is an amenable number.

12000012110121 is a deficient number, since it is larger than the sum of its proper divisors (6658898849879).

12000012110121 is an equidigital number, since it uses as much as digits as its factorization.

12000012110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11661819373 (or 11661819359 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12000012110121 its reverse (12101121000021), we get a palindrome (24101133110142).

The spelling of 12000012110121 in words is "twelve trillion, twelve million, one hundred ten thousand, one hundred twenty-one".