12200221400 has 24 divisors (see below), whose sum is σ = 28365515220. Its totient is φ = 4880088480.

The previous prime is 12200221373. The next prime is 12200221417. The reversal of 12200221400 is 412200221.

12200221400 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 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 5 ways as a sum of consecutive naturals, for example, 30500354 + ... + 30500753.

Almost surely, 2^12200221400 is an apocalyptic number.

12200221400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200221400 is an abundant number, since it is smaller than the sum of its proper divisors (16165293820).

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

12200221400 is a wasteful number, since it uses less digits than its factorization.

12200221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61001123 (or 61001114 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12200221400 its reverse (412200221), we get a palindrome (12612421621).

The spelling of 12200221400 in words is "twelve billion, two hundred million, two hundred twenty-one thousand, four hundred".