12000201021121 has 8 divisors (see below), whose sum is σ = 12706289756640. Its totient is φ = 11294133903168.

The previous prime is 12000201021089. The next prime is 12000201021139. The reversal of 12000201021121 is 12112010200021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12000201021121 - 2⁵ = 12000201021089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000201021181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4254511 + ... + 6488548.

It is an arithmetic number, because the mean of its divisors is an integer number (1588286219580).

Almost surely, 2^{12000201021121} is an apocalyptic number.

It is an amenable number.

12000201021121 is a deficient number, since it is larger than the sum of its proper divisors (706088735519).

12000201021121 is a wasteful number, since it uses less digits than its factorization.

12000201021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808783.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12000201021121 its reverse (12112010200021), we get a palindrome (24112211221142).

The spelling of 12000201021121 in words is "twelve trillion, two hundred one million, twenty-one thousand, one hundred twenty-one".