12223421244 has 36 divisors (see below), whose sum is σ = 31216638544. Its totient is φ = 4032467712.

The previous prime is 12223421237. The next prime is 12223421251. The reversal of 12223421244 is 44212432221.

It is a happy number.

12223421244 is a `hidden beast` number, since 12 + 223 + 421 + 2 + 4 + 4 = 666.

12223421244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12223421237) and next prime (12223421251).

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1746712 + ... + 1753695.

Almost surely, 2^12223421244 is an apocalyptic number.

It is an amenable number.

12223421244 is an abundant number, since it is smaller than the sum of its proper divisors (18993217300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12223421244 is a wasteful number, since it uses less digits than its factorization.

12223421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500514 (or 3500509 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 12223421244 its reverse (44212432221), we get a palindrome (56435853465).

The spelling of 12223421244 in words is "twelve billion, two hundred twenty-three million, four hundred twenty-one thousand, two hundred forty-four".