12210044200 has 48 divisors (see below), whose sum is σ = 28469857500. Its totient is φ = 4869995520.

The previous prime is 12210044149. The next prime is 12210044221. The reversal of 12210044200 is 244001221.

It can be written as a sum of positive squares in 6 ways, for example, as 9009426724 + 3200617476 = 94918^2 + 56574^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17665 + ... + 157264.

Almost surely, 2^12210044200 is an apocalyptic number.

12210044200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210044200 is an abundant number, since it is smaller than the sum of its proper divisors (16259813300).

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

12210044200 is a wasteful number, since it uses less digits than its factorization.

12210044200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175294 (or 175285 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12210044200 its reverse (244001221), we get a palindrome (12454045421).

The spelling of 12210044200 in words is "twelve billion, two hundred ten million, forty-four thousand, two hundred".