12221002020201 has 32 divisors (see below), whose sum is σ = 18120937000320. Its totient is φ = 7278326544384.

The previous prime is 12221002020187. The next prime is 12221002020203. The reversal of 12221002020201 is 10202020012221.

It is not a de Polignac number, because 12221002020201 - 2¹¹ = 12221002018153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221002020203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33245736 + ... + 33611321.

It is an arithmetic number, because the mean of its divisors is an integer number (566279281260).

Almost surely, 2^{12221002020201} is an apocalyptic number.

It is an amenable number.

12221002020201 is a deficient number, since it is larger than the sum of its proper divisors (5899934980119).

12221002020201 is a wasteful number, since it uses less digits than its factorization.

12221002020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66857225.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12221002020201 its reverse (10202020012221), we get a palindrome (22423022032422).

The spelling of 12221002020201 in words is "twelve trillion, two hundred twenty-one billion, two million, twenty thousand, two hundred one".