12244221453 has 8 divisors (see below), whose sum is σ = 16549267648. Its totient is φ = 8050994784.

The previous prime is 12244221413. The next prime is 12244221481. The reversal of 12244221453 is 35412244221.

It is a happy number.

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

It is not a de Polignac number, because 12244221453 - 2⁹ = 12244220941 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 12244221453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244221413) 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, 27954625 + ... + 27955062.

It is an arithmetic number, because the mean of its divisors is an integer number (2068658456).

Almost surely, 2^12244221453 is an apocalyptic number.

It is an amenable number.

12244221453 is a deficient number, since it is larger than the sum of its proper divisors (4305046195).

12244221453 is an equidigital number, since it uses as much as digits as its factorization.

12244221453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55909763.

The product of its digits is 15360, while the sum is 30.

Adding to 12244221453 its reverse (35412244221), we get a palindrome (47656465674).

The spelling of 12244221453 in words is "twelve billion, two hundred forty-four million, two hundred twenty-one thousand, four hundred fifty-three".