12181795199 has 8 divisors (see below), whose sum is σ = 13952519328. Its totient is φ = 10418688000.

The previous prime is 12181795189. The next prime is 12181795207. The reversal of 12181795199 is 99159718121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12181795199 - 2⁴ = 12181795183 is a prime.

It is a super-2 number, since 2×12181795199² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12181795199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12181795189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900802 + ... + 1907199.

It is an arithmetic number, because the mean of its divisors is an integer number (1744064916).

Almost surely, 2^12181795199 is an apocalyptic number.

12181795199 is a deficient number, since it is larger than the sum of its proper divisors (1770724129).

12181795199 is an equidigital number, since it uses as much as digits as its factorization.

12181795199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808465.

The product of its digits is 408240, while the sum is 53.

The spelling of 12181795199 in words is "twelve billion, one hundred eighty-one million, seven hundred ninety-five thousand, one hundred ninety-nine".