12799181799 has 24 divisors (see below), whose sum is σ = 19991724480. Its totient is φ = 7859985408.

The previous prime is 12799181777. The next prime is 12799181827. The reversal of 12799181799 is 99718199721.

It is not a de Polignac number, because 12799181799 - 2⁵ = 12799181767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12799181399) 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 23 ways as a sum of consecutive naturals, for example, 882754 + ... + 897135.

It is an arithmetic number, because the mean of its divisors is an integer number (832988520).

Almost surely, 2^12799181799 is an apocalyptic number.

12799181799 is a deficient number, since it is larger than the sum of its proper divisors (7192542681).

12799181799 is a wasteful number, since it uses less digits than its factorization.

12799181799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779959 (or 1779956 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 63.

The spelling of 12799181799 in words is "twelve billion, seven hundred ninety-nine million, one hundred eighty-one thousand, seven hundred ninety-nine".