12783084718336 has 135 divisors (see below), whose sum is σ = 26977375350051. Its totient is φ = 6045363251712.

The previous prime is 12783084718319. The next prime is 12783084718379. The reversal of 12783084718336 is 63381748038721.

The square root of 12783084718336 is 3575344.

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

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 20651186635 + ... + 20651187253.

Almost surely, 2^{12783084718336} is an apocalyptic number.

12783084718336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12783084718336 is the 3575344-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12783084718336

12783084718336 is an abundant number, since it is smaller than the sum of its proper divisors (14194290631715).

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

12783084718336 is an frugal number, since it uses more digits than its factorization.

12783084718336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 12783084718336 in words is "twelve trillion, seven hundred eighty-three billion, eighty-four million, seven hundred eighteen thousand, three hundred thirty-six".