12730190816 has 48 divisors (see below), whose sum is σ = 29070470016. Its totient is φ = 5374359936.

The previous prime is 12730190791. The next prime is 12730190831. The reversal of 12730190816 is 61809103721.

It is a self number, because there is not a number n which added to its sum of digits gives 12730190816.

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 in 7 ways as a sum of consecutive naturals, for example, 409106 + ... + 439121.

It is an arithmetic number, because the mean of its divisors is an integer number (605634792).

Almost surely, 2^12730190816 is an apocalyptic number.

12730190816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12730190816 is an abundant number, since it is smaller than the sum of its proper divisors (16340279200).

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

12730190816 is an equidigital number, since it uses as much as digits as its factorization.

12730190816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848311 (or 848303 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 12730190816 in words is "twelve billion, seven hundred thirty million, one hundred ninety thousand, eight hundred sixteen".