12221001012201 has 8 divisors (see below), whose sum is σ = 16377382067904. Its totient is φ = 8105976982320.

The previous prime is 12221001012197. The next prime is 12221001012263. The reversal of 12221001012201 is 10221010012221.

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

It is not a de Polignac number, because 12221001012201 - 2² = 12221001012197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12221001013201) 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, 10339255765 + ... + 10339256946.

It is an arithmetic number, because the mean of its divisors is an integer number (2047172758488).

Almost surely, 2^{12221001012201} is an apocalyptic number.

It is an amenable number.

12221001012201 is a deficient number, since it is larger than the sum of its proper divisors (4156381055703).

12221001012201 is a wasteful number, since it uses less digits than its factorization.

12221001012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20678512911.

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

Adding to 12221001012201 its reverse (10221010012221), we get a palindrome (22442011024422).

The spelling of 12221001012201 in words is "twelve trillion, two hundred twenty-one billion, one million, twelve thousand, two hundred one".