12206549898 has 48 divisors (see below), whose sum is σ = 27544997376. Its totient is φ = 3903107040.

The previous prime is 12206549881. The next prime is 12206549909. The reversal of 12206549898 is 89894560221.

It is a happy number.

12206549898 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 6 + 549 + 8 + 98 = 666.

12206549898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 81786 + ... + 176357.

It is an arithmetic number, because the mean of its divisors is an integer number (573854112).

Almost surely, 2^12206549898 is an apocalyptic number.

12206549898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12206549898 is an abundant number, since it is smaller than the sum of its proper divisors (15338447478).

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

12206549898 is a wasteful number, since it uses less digits than its factorization.

12206549898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258259 (or 258256 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 12206549898 in words is "twelve billion, two hundred six million, five hundred forty-nine thousand, eight hundred ninety-eight".