12783247031716 has 72 divisors (see below), whose sum is σ = 27596795843736. Its totient is φ = 5148222750720.

The previous prime is 12783247031683. The next prime is 12783247031759. The reversal of 12783247031716 is 61713074238721.

It can be written as a sum of positive squares in 4 ways, for example, as 9517817329216 + 3265429702500 = 3085096^2 + 1807050^2 .

It is a super-2 number, since 2×12783247031716² (a number of 27 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 856785 + ... + 5128408.

It is an arithmetic number, because the mean of its divisors is an integer number (383288831163).

Almost surely, 2^{12783247031716} is an apocalyptic number.

It is an amenable number.

12783247031716 is an abundant number, since it is smaller than the sum of its proper divisors (14813548812020).

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

12783247031716 is a wasteful number, since it uses less digits than its factorization.

12783247031716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5985869 (or 5985860 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 12783247031716 in words is "twelve trillion, seven hundred eighty-three billion, two hundred forty-seven million, thirty-one thousand, seven hundred sixteen".