12244301221 has 8 divisors (see below), whose sum is σ = 12965652504. Its totient is φ = 11523072000.

The previous prime is 12244301177. The next prime is 12244301243. The reversal of 12244301221 is 12210344221.

It can be written as a sum of positive squares in 4 ways, for example, as 2080636996 + 10163664225 = 45614^2 + 100815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12244301221 - 2⁹ = 12244300709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12244301192 and 12244301201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244301281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249511 + ... + 294523.

It is an arithmetic number, because the mean of its divisors is an integer number (1620706563).

Almost surely, 2^12244301221 is an apocalyptic number.

It is an amenable number.

12244301221 is a deficient number, since it is larger than the sum of its proper divisors (721351283).

12244301221 is a wasteful number, since it uses less digits than its factorization.

12244301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61031.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12244301221 its reverse (12210344221), we get a palindrome (24454645442).

The spelling of 12244301221 in words is "twelve billion, two hundred forty-four million, three hundred one thousand, two hundred twenty-one".