12443426802 has 24 divisors (see below), whose sum is σ = 27100458684. Its totient is φ = 4126316544.

The previous prime is 12443426797. The next prime is 12443426813. The reversal of 12443426802 is 20862434421.

12443426802 is a `hidden beast` number, since 124 + 434 + 26 + 80 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11782885401 + 660541401 = 108549^2 + 25701^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1787463 + ... + 1794410.

Almost surely, 2^12443426802 is an apocalyptic number.

12443426802 is an abundant number, since it is smaller than the sum of its proper divisors (14657031882).

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

12443426802 is a wasteful number, since it uses less digits than its factorization.

12443426802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582074 (or 3582071 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 12443426802 in words is "twelve billion, four hundred forty-three million, four hundred twenty-six thousand, eight hundred two".