12799203867 has 12 divisors (see below), whose sum is σ = 18748130544. Its totient is φ = 8412621840.

The previous prime is 12799203839. The next prime is 12799203869. The reversal of 12799203867 is 76830299721.

It is not a de Polignac number, because 12799203867 - 2¹² = 12799199771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12799203869) 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 11 ways as a sum of consecutive naturals, for example, 10014388 + ... + 10015665.

It is an arithmetic number, because the mean of its divisors is an integer number (1562344212).

Almost surely, 2^12799203867 is an apocalyptic number.

12799203867 is a deficient number, since it is larger than the sum of its proper divisors (5948926677).

12799203867 is a wasteful number, since it uses less digits than its factorization.

12799203867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20030130 (or 20030127 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 12799203867 in words is "twelve billion, seven hundred ninety-nine million, two hundred three thousand, eight hundred sixty-seven".