12716782016 has 14 divisors (see below), whose sum is σ = 25234864440. Its totient is φ = 6358390976.

The previous prime is 12716781997. The next prime is 12716782049. The reversal of 12716782016 is 61028761721.

It is a super-2 number, since 2×12716782016² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99349796 + ... + 99349923.

Almost surely, 2^12716782016 is an apocalyptic number.

12716782016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12716782016 is a deficient number, since it is larger than the sum of its proper divisors (12518082424).

12716782016 is an equidigital number, since it uses as much as digits as its factorization.

12716782016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198699731 (or 198699721 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 12716782016 in words is "twelve billion, seven hundred sixteen million, seven hundred eighty-two thousand, sixteen".