12843324416 has 44 divisors (see below), whose sum is σ = 27649066452. Its totient is φ = 5927682048.

The previous prime is 12843324413. The next prime is 12843324419. The reversal of 12843324416 is 61442334821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12843324413) and next prime (12843324419).

It can be written as a sum of positive squares in 2 ways, for example, as 4290774016 + 8552550400 = 65504^2 + 92480^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12843324416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843324413) 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, 469085 + ... + 495708.

Almost surely, 2^12843324416 is an apocalyptic number.

12843324416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12843324416 is an abundant number, since it is smaller than the sum of its proper divisors (14805742036).

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

12843324416 is an equidigital number, since it uses as much as digits as its factorization.

12843324416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964826 (or 964808 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The spelling of 12843324416 in words is "twelve billion, eight hundred forty-three million, three hundred twenty-four thousand, four hundred sixteen".