12243489804 has 216 divisors, whose sum is σ = 39369351840. Its totient is φ = 3124085760.

The previous prime is 12243489793. The next prime is 12243489821. The reversal of 12243489804 is 40898434221.

12243489804 is a `hidden beast` number, since 1 + 224 + 348 + 9 + 80 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12243489804.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3146292 + ... + 3150180.

Almost surely, 2^12243489804 is an apocalyptic number.

12243489804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12243489804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19684675920).

12243489804 is an abundant number, since it is smaller than the sum of its proper divisors (27125862036).

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

12243489804 is a wasteful number, since it uses less digits than its factorization.

12243489804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 12243489804 in words is "twelve billion, two hundred forty-three million, four hundred eighty-nine thousand, eight hundred four".