12199027208 has 8 divisors (see below), whose sum is σ = 22873176030. Its totient is φ = 6099513600.

The previous prime is 12199027187. The next prime is 12199027213. The reversal of 12199027208 is 80272099121.

It can be written as a sum of positive squares in only one way, i.e., 11780497444 + 418529764 = 108538^2 + 20458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762439193 + ... + 762439208.

Almost surely, 2^12199027208 is an apocalyptic number.

It is an amenable number.

12199027208 is a deficient number, since it is larger than the sum of its proper divisors (10674148822).

12199027208 is a wasteful number, since it uses less digits than its factorization.

12199027208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524878407 (or 1524878403 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 12199027208 in words is "twelve billion, one hundred ninety-nine million, twenty-seven thousand, two hundred eight".