12200221201 has 4 divisors (see below), whose sum is σ = 13943109952. Its totient is φ = 10457332452.

The previous prime is 12200221199. The next prime is 12200221237. The reversal of 12200221201 is 10212200221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12200221201 - 2¹ = 12200221199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200221261) 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, 871444365 + ... + 871444378.

It is an arithmetic number, because the mean of its divisors is an integer number (3485777488).

Almost surely, 2^12200221201 is an apocalyptic number.

It is an amenable number.

12200221201 is a deficient number, since it is larger than the sum of its proper divisors (1742888751).

12200221201 is an equidigital number, since it uses as much as digits as its factorization.

12200221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742888750.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12200221201 its reverse (10212200221), we get a palindrome (22412421422).

The spelling of 12200221201 in words is "twelve billion, two hundred million, two hundred twenty-one thousand, two hundred one".