12246843072 has 224 divisors, whose sum is σ = 35292913920. Its totient is φ = 3735244800.

The previous prime is 12246843047. The next prime is 12246843073. The reversal of 12246843072 is 27034864221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12246843072.

It is not an unprimeable number, because it can be changed into a prime (12246843073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15842878 + ... + 15843650.

Almost surely, 2^12246843072 is an apocalyptic number.

12246843072 is a gapful number since it is divisible by the number (12) 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 12246843072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17646456960).

12246843072 is an abundant number, since it is smaller than the sum of its proper divisors (23046070848).

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

12246843072 is a wasteful number, since it uses less digits than its factorization.

12246843072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 12246843072 in words is "twelve billion, two hundred forty-six million, eight hundred forty-three thousand, seventy-two".