12220122201 has 48 divisors (see below), whose sum is σ = 19941062400. Its totient is φ = 6628366080.

The previous prime is 12220122197. The next prime is 12220122259. The reversal of 12220122201 is 10222102221.

It is not a de Polignac number, because 12220122201 - 2² = 12220122197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12220122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195600 + ... + 250398.

It is an arithmetic number, because the mean of its divisors is an integer number (415438800).

Almost surely, 2^12220122201 is an apocalyptic number.

It is an amenable number.

12220122201 is a deficient number, since it is larger than the sum of its proper divisors (7720940199).

12220122201 is a wasteful number, since it uses less digits than its factorization.

12220122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54894 (or 54887 counting only the distinct ones).

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

Adding to 12220122201 its reverse (10222102221), we get a palindrome (22442224422).

It can be divided in two parts, 12220 and 122201, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 12220122201 in words is "twelve billion, two hundred twenty million, one hundred twenty-two thousand, two hundred one".