12221204040201 has 16 divisors (see below), whose sum is σ = 17770527138560. Its totient is φ = 7425541693440.

The previous prime is 12221204040191. The next prime is 12221204040239. The reversal of 12221204040201 is 10204040212221.

It is not a de Polignac number, because 12221204040201 - 2⁵ = 12221204040169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221204040251) 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 15 ways as a sum of consecutive naturals, for example, 1983314680 + ... + 1983320841.

It is an arithmetic number, because the mean of its divisors is an integer number (1110657946160).

Almost surely, 2^{12221204040201} is an apocalyptic number.

It is an amenable number.

12221204040201 is a deficient number, since it is larger than the sum of its proper divisors (5549323098359).

12221204040201 is a wasteful number, since it uses less digits than its factorization.

12221204040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966635616.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12221204040201 its reverse (10204040212221), we get a palindrome (22425244252422).

The spelling of 12221204040201 in words is "twelve trillion, two hundred twenty-one billion, two hundred four million, forty thousand, two hundred one".