12256112201 has 4 divisors (see below), whose sum is σ = 12345573012. Its totient is φ = 12166651392.

The previous prime is 12256112177. The next prime is 12256112221. The reversal of 12256112201 is 10221165221.

12256112201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4025268025 + 8230844176 = 63445^2 + 90724^2 .

It is a cyclic number.

It is not a de Polignac number, because 12256112201 - 2⁶ = 12256112137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12256112221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44730200 + ... + 44730473.

It is an arithmetic number, because the mean of its divisors is an integer number (3086393253).

Almost surely, 2^12256112201 is an apocalyptic number.

It is an amenable number.

12256112201 is a deficient number, since it is larger than the sum of its proper divisors (89460811).

12256112201 is an equidigital number, since it uses as much as digits as its factorization.

12256112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89460810.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 12256112201 its reverse (10221165221), we get a palindrome (22477277422).

The spelling of 12256112201 in words is "twelve billion, two hundred fifty-six million, one hundred twelve thousand, two hundred one".