12441561198 has 32 divisors (see below), whose sum is σ = 27149230080. Its totient is φ = 3769613760.

The previous prime is 12441561157. The next prime is 12441561199. The reversal of 12441561198 is 89116514421.

12441561198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441561199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763411 + ... + 779537.

It is an arithmetic number, because the mean of its divisors is an integer number (848413440).

Almost surely, 2^12441561198 is an apocalyptic number.

12441561198 is an abundant number, since it is smaller than the sum of its proper divisors (14707668882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12441561198 is a wasteful number, since it uses less digits than its factorization.

12441561198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27832.

The product of its digits is 69120, while the sum is 42.

The spelling of 12441561198 in words is "twelve billion, four hundred forty-one million, five hundred sixty-one thousand, one hundred ninety-eight".