12204221241 has 4 divisors (see below), whose sum is σ = 16272294992. Its totient is φ = 8136147492.

The previous prime is 12204221233. The next prime is 12204221269. The reversal of 12204221241 is 14212240221.

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 12204221241 - 2³ = 12204221233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12204221741) 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, 2034036871 + ... + 2034036876.

It is an arithmetic number, because the mean of its divisors is an integer number (4068073748).

Almost surely, 2^12204221241 is an apocalyptic number.

It is an amenable number.

12204221241 is a deficient number, since it is larger than the sum of its proper divisors (4068073751).

12204221241 is an equidigital number, since it uses as much as digits as its factorization.

12204221241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068073750.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12204221241 its reverse (14212240221), we get a palindrome (26416461462).

The spelling of 12204221241 in words is "twelve billion, two hundred four million, two hundred twenty-one thousand, two hundred forty-one".