12304203444 has 36 divisors (see below), whose sum is σ = 33494777316. Its totient is φ = 3785908608.

The previous prime is 12304203403. The next prime is 12304203449. The reversal of 12304203444 is 44430240321.

It is a happy number.

12304203444 is a `hidden beast` number, since 1 + 230 + 420 + 3 + 4 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5694513444 + 6609690000 = 75462^2 + 81300^2 .

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

It is a super-2 number, since 2×12304203444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304203449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13145049 + ... + 13145984.

It is an arithmetic number, because the mean of its divisors is an integer number (930410481).

Almost surely, 2^12304203444 is an apocalyptic number.

It is an amenable number.

12304203444 is an abundant number, since it is smaller than the sum of its proper divisors (21190573872).

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

12304203444 is a wasteful number, since it uses less digits than its factorization.

12304203444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26291056 (or 26291051 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12304203444 its reverse (44430240321), we get a palindrome (56734443765).

The spelling of 12304203444 in words is "twelve billion, three hundred four million, two hundred three thousand, four hundred forty-four".