12010012110121 has 4 divisors (see below), whose sum is σ = 12024605078272. Its totient is φ = 11995419141972.

The previous prime is 12010012110049. The next prime is 12010012110139. The reversal of 12010012110121 is 12101121001021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12010012110121 - 2⁹ = 12010012109609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010712110121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7296482841 + ... + 7296484486.

It is an arithmetic number, because the mean of its divisors is an integer number (3006151269568).

Almost surely, 2^{12010012110121} is an apocalyptic number.

It is an amenable number.

12010012110121 is a deficient number, since it is larger than the sum of its proper divisors (14592968151).

12010012110121 is an equidigital number, since it uses as much as digits as its factorization.

12010012110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14592968150.

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

Adding to 12010012110121 its reverse (12101121001021), we get a palindrome (24111133111142).

The spelling of 12010012110121 in words is "twelve trillion, ten billion, twelve million, one hundred ten thousand, one hundred twenty-one".