12319198847 has 4 divisors (see below), whose sum is σ = 12343690800. Its totient is φ = 12294706896.

The previous prime is 12319198817. The next prime is 12319198849. The reversal of 12319198847 is 74889191321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12319198847 - 2¹⁶ = 12319133311 is a prime.

It is a super-2 number, since 2×12319198847² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12319198849) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12245222 + ... + 12246227.

It is an arithmetic number, because the mean of its divisors is an integer number (3085922700).

Almost surely, 2^12319198847 is an apocalyptic number.

12319198847 is a deficient number, since it is larger than the sum of its proper divisors (24491953).

12319198847 is an equidigital number, since it uses as much as digits as its factorization.

12319198847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24491952.

The product of its digits is 870912, while the sum is 53.

The spelling of 12319198847 in words is "twelve billion, three hundred nineteen million, one hundred ninety-eight thousand, eight hundred forty-seven".