12824434778884 has 9 divisors (see below), whose sum is σ = 22442773396981. Its totient is φ = 6412213808320.

The previous prime is 12824434778833. The next prime is 12824434778891. The reversal of 12824434778884 is 48887743442821.

The square root of 12824434778884 is 3581122.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3954044756484 + 8870390022400 = 1988478^2 + 2978320^2 .

It is a super-3 number, since 3×12824434778884³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6266964 + ... + 8057524.

Almost surely, 2^{12824434778884} is an apocalyptic number.

12824434778884 is the 3581122-nd square number.

It is an amenable number.

12824434778884 is a deficient number, since it is larger than the sum of its proper divisors (9618338618097).

12824434778884 is an frugal number, since it uses more digits than its factorization.

12824434778884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581126 (or 1790563 counting only the distinct ones).

The product of its digits is 616562688, while the sum is 70.

The spelling of 12824434778884 in words is "twelve trillion, eight hundred twenty-four billion, four hundred thirty-four million, seven hundred seventy-eight thousand, eight hundred eighty-four".