12000120010221 has 64 divisors (see below), whose sum is σ = 18942622433280. Its totient is φ = 6612543241920.

The previous prime is 12000120010213. The next prime is 12000120010267. The reversal of 12000120010221 is 12201002100021.

It is not a de Polignac number, because 12000120010221 - 2³ = 12000120010213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000120010197 and 12000120010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000120010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240830116 + ... + 240879938.

It is an arithmetic number, because the mean of its divisors is an integer number (295978475520).

Almost surely, 2^{12000120010221} is an apocalyptic number.

It is an amenable number.

12000120010221 is a deficient number, since it is larger than the sum of its proper divisors (6942502423059).

12000120010221 is a wasteful number, since it uses less digits than its factorization.

12000120010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51166.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12000120010221 its reverse (12201002100021), we get a palindrome (24201122110242).

The spelling of 12000120010221 in words is "twelve trillion, one hundred twenty million, ten thousand, two hundred twenty-one".