12844812289156 has 27 divisors (see below), whose sum is σ = 22911222578853. Its totient is φ = 6301042303920.

The previous prime is 12844812289129. The next prime is 12844812289193. The reversal of 12844812289156 is 65198221844821.

The square root of 12844812289156 is 3583966.

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., 9259788140100 + 3585024149056 = 3042990^2 + 1893416^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12844812289094 and 12844812289103.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 379883491 + ... + 379917301.

Almost surely, 2^{12844812289156} is an apocalyptic number.

12844812289156 is the 3583966-th square number.

It is an amenable number.

12844812289156 is a deficient number, since it is larger than the sum of its proper divisors (10066410289697).

12844812289156 is an frugal number, since it uses more digits than its factorization.

12844812289156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67732 (or 33866 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 61.

The spelling of 12844812289156 in words is "twelve trillion, eight hundred forty-four billion, eight hundred twelve million, two hundred eighty-nine thousand, one hundred fifty-six".