12244044221 has 4 divisors (see below), whose sum is σ = 12257848992. Its totient is φ = 12230239452.

The previous prime is 12244044203. The next prime is 12244044233.

It is a happy number.

12244044221 is nontrivially palindromic in base 10.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12244044221 is a prime.

It is a super-3 number, since 3×12244044221³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244044121) 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, 6901055 + ... + 6902828.

It is an arithmetic number, because the mean of its divisors is an integer number (3064462248).

Almost surely, 2^12244044221 is an apocalyptic number.

It is an amenable number.

12244044221 is a deficient number, since it is larger than the sum of its proper divisors (13804771).

12244044221 is an equidigital number, since it uses as much as digits as its factorization.

12244044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13804770.

The product of its (nonzero) digits is 4096, while the sum is 26.

It can be divided in two parts, 122440 and 44221, that added together give a palindrome (166661).

The spelling of 12244044221 in words is "twelve billion, two hundred forty-four million, forty-four thousand, two hundred twenty-one".