12220201220201 has 8 divisors (see below), whose sum is σ = 13160625383304. Its totient is φ = 11279835440640.

The previous prime is 12220201220093. The next prime is 12220201220209. The reversal of 12220201220201 is 10202210202221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2327440104025 + 9892761116176 = 1525595^2 + 3145276^2 .

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

It is not a de Polignac number, because 12220201220201 - 2⁴² = 7822154709097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220201220201.

It is not an unprimeable number, because it can be changed into a prime (12220201220209) 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, 14160680 + ... + 14998841.

It is an arithmetic number, because the mean of its divisors is an integer number (1645078172913).

Almost surely, 2^{12220201220201} is an apocalyptic number.

It is an amenable number.

12220201220201 is a deficient number, since it is larger than the sum of its proper divisors (940424163103).

12220201220201 is a wasteful number, since it uses less digits than its factorization.

12220201220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29191771.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12220201220201 its reverse (10202210202221), we get a palindrome (22422411422422).

The spelling of 12220201220201 in words is "twelve trillion, two hundred twenty billion, two hundred one million, two hundred twenty thousand, two hundred one".