12222201021200 has 60 divisors (see below), whose sum is σ = 30640526583168. Its totient is φ = 4676320387200.

The previous prime is 12222201021197. The next prime is 12222201021229. The reversal of 12222201021200 is 212010222221.

It is a happy number.

12222201021200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 664240856 + ... + 664259255.

Almost surely, 2^{12222201021200} is an apocalyptic number.

12222201021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222201021200 is an abundant number, since it is smaller than the sum of its proper divisors (18418325561968).

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

12222201021200 is a wasteful number, since it uses less digits than its factorization.

12222201021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328500152 (or 1328500141 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12222201021200 its reverse (212010222221), we get a palindrome (12434211243421).

The spelling of 12222201021200 in words is "twelve trillion, two hundred twenty-two billion, two hundred one million, twenty-one thousand, two hundred".