12220003200 has 96 divisors (see below), whose sum is σ = 40249667160. Its totient is φ = 3258664960.

The previous prime is 12220003163. The next prime is 12220003217. The reversal of 12220003200 is 230002221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 626859 + ... + 646058.

Almost surely, 2^12220003200 is an apocalyptic number.

12220003200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220003200 is an abundant number, since it is smaller than the sum of its proper divisors (28029663960).

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

12220003200 is a wasteful number, since it uses less digits than its factorization.

12220003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272944 (or 1272927 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12220003200 its reverse (230002221), we get a palindrome (12450005421).

The spelling of 12220003200 in words is "twelve billion, two hundred twenty million, three thousand, two hundred".