12393890216 has 32 divisors (see below), whose sum is σ = 24294945600. Its totient is φ = 5927466160.

The previous prime is 12393890213. The next prime is 12393890221. The reversal of 12393890216 is 61209839321.

12393890216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12393890213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33671 + ... + 161001.

It is an arithmetic number, because the mean of its divisors is an integer number (759217050).

Almost surely, 2^12393890216 is an apocalyptic number.

It is an amenable number.

12393890216 is a deficient number, since it is larger than the sum of its proper divisors (11901055384).

12393890216 is an equidigital number, since it uses as much as digits as its factorization.

12393890216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127406 (or 127356 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 12393890216 in words is "twelve billion, three hundred ninety-three million, eight hundred ninety thousand, two hundred sixteen".