12021201212201 has 8 divisors (see below), whose sum is σ = 12082058188200. Its totient is φ = 11960453398528.

The previous prime is 12021201212143. The next prime is 12021201212213. The reversal of 12021201212201 is 10221210212021.

It can be written as a sum of positive squares in 4 ways, for example, as 8862320611225 + 3158880600976 = 2976965^2 + 1777324^2 .

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 12021201212201 - 2¹⁰ = 12021201211177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021201212201.

It is not an unprimeable number, because it can be changed into a prime (12021201212221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27069776 + ... + 27510273.

It is an arithmetic number, because the mean of its divisors is an integer number (1510257273525).

Almost surely, 2^{12021201212201} is an apocalyptic number.

It is an amenable number.

12021201212201 is a deficient number, since it is larger than the sum of its proper divisors (60856975999).

12021201212201 is an equidigital number, since it uses as much as digits as its factorization.

12021201212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54581163.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12021201212201 its reverse (10221210212021), we get a palindrome (22242411424222).

The spelling of 12021201212201 in words is "twelve trillion, twenty-one billion, two hundred one million, two hundred twelve thousand, two hundred one".