12200504450 has 24 divisors (see below), whose sum is σ = 23475456180. Its totient is φ = 4711918400.

The previous prime is 12200504419. The next prime is 12200504473. The reversal of 12200504450 is 5440500221.

It is a happy number.

12200504450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 7518797521 + 4681706929 = 86711^2 + 68423^2 .

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 11 ways as a sum of consecutive naturals, for example, 4205621 + ... + 4208520.

Almost surely, 2^12200504450 is an apocalyptic number.

12200504450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12200504450 is a deficient number, since it is larger than the sum of its proper divisors (11274951730).

12200504450 is a wasteful number, since it uses less digits than its factorization.

12200504450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414182 (or 8414177 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The spelling of 12200504450 in words is "twelve billion, two hundred million, five hundred four thousand, four hundred fifty".