12020022220201 has 4 divisors (see below), whose sum is σ = 12038429605572. Its totient is φ = 12001614834832.

The previous prime is 12020022220163. The next prime is 12020022220231. The reversal of 12020022220201 is 10202222002021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3925058342976 + 8094963877225 = 1981176^2 + 2845165^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020022220201 - 2¹¹ = 12020022218153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020022220231) 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 3 ways as a sum of consecutive naturals, for example, 9203691706 + ... + 9203693011.

It is an arithmetic number, because the mean of its divisors is an integer number (3009607401393).

Almost surely, 2^{12020022220201} is an apocalyptic number.

It is an amenable number.

12020022220201 is a deficient number, since it is larger than the sum of its proper divisors (18407385371).

12020022220201 is an equidigital number, since it uses as much as digits as its factorization.

12020022220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18407385370.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12020022220201 its reverse (10202222002021), we get a palindrome (22222244222222).

The spelling of 12020022220201 in words is "twelve trillion, twenty billion, twenty-two million, two hundred twenty thousand, two hundred one".