12220221202201 has 8 divisors (see below), whose sum is σ = 12272829181704. Its totient is φ = 12167614596480.

The previous prime is 12220221202181. The next prime is 12220221202213. The reversal of 12220221202201 is 10220212202221.

It can be written as a sum of positive squares in 4 ways, for example, as 25465776400 + 12194755425801 = 159580^2 + 3492099^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12220221202201 - 2¹⁷ = 12220221071129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220221205201) 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, 20097495 + ... + 20696611.

It is an arithmetic number, because the mean of its divisors is an integer number (1534103647713).

Almost surely, 2^{12220221202201} is an apocalyptic number.

It is an amenable number.

12220221202201 is a deficient number, since it is larger than the sum of its proper divisors (52607979503).

12220221202201 is an equidigital number, since it uses as much as digits as its factorization.

12220221202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686891.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12220221202201 its reverse (10220212202221), we get a palindrome (22440433404422).

The spelling of 12220221202201 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, two hundred two thousand, two hundred one".