12220120112201 has 4 divisors (see below), whose sum is σ = 12221146248900. Its totient is φ = 12219093975504.

The previous prime is 12220120112197. The next prime is 12220120112203. The reversal of 12220120112201 is 10221102102221.

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 2383083788176 + 9837036324025 = 1543724^2 + 3136405^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220120112201 - 2² = 12220120112197 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 12220120112201.

It is not an unprimeable number, because it can be changed into a prime (12220120112203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513050486 + ... + 513074303.

It is an arithmetic number, because the mean of its divisors is an integer number (3055286562225).

Almost surely, 2^{12220120112201} is an apocalyptic number.

It is an amenable number.

12220120112201 is a deficient number, since it is larger than the sum of its proper divisors (1026136699).

12220120112201 is a wasteful number, since it uses less digits than its factorization.

12220120112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026136698.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12220120112201 its reverse (10221102102221), we get a palindrome (22441222214422).

The spelling of 12220120112201 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, one hundred twelve thousand, two hundred one".