12403221100 has 36 divisors (see below), whose sum is σ = 26933389000. Its totient is φ = 4957896960.

The previous prime is 12403221079. The next prime is 12403221113. The reversal of 12403221100 is 112230421.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107251 + ... + 190549.

Almost surely, 2^12403221100 is an apocalyptic number.

12403221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12403221100 is an abundant number, since it is smaller than the sum of its proper divisors (14530167900).

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

12403221100 is a wasteful number, since it uses less digits than its factorization.

12403221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84802 (or 84795 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12403221100 its reverse (112230421), we get a palindrome (12515451521).

The spelling of 12403221100 in words is "twelve billion, four hundred three million, two hundred twenty-one thousand, one hundred".