12201221001201 has 8 divisors (see below), whose sum is σ = 17124520703520. Its totient is φ = 7706034316512.

The previous prime is 12201221001199. The next prime is 12201221001271. The reversal of 12201221001201 is 10210012210221.

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

It is not a de Polignac number, because 12201221001201 - 2¹ = 12201221001199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201221001271) 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 7 ways as a sum of consecutive naturals, for example, 107028254340 + ... + 107028254453.

It is an arithmetic number, because the mean of its divisors is an integer number (2140565087940).

Almost surely, 2^{12201221001201} is an apocalyptic number.

It is an amenable number.

12201221001201 is a deficient number, since it is larger than the sum of its proper divisors (4923299702319).

12201221001201 is a wasteful number, since it uses less digits than its factorization.

12201221001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214056508815.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201221001201 its reverse (10210012210221), we get a palindrome (22411233211422).

The spelling of 12201221001201 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, one thousand, two hundred one".