12222210101200 has 120 divisors (see below), whose sum is σ = 32350464143136. Its totient is φ = 4400435520000.

The previous prime is 12222210101191. The next prime is 12222210101201. The reversal of 12222210101200 is 210101222221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222210101201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13306962 + ... + 14195761.

Almost surely, 2^{12222210101200} is an apocalyptic number.

12222210101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222210101200 is an abundant number, since it is smaller than the sum of its proper divisors (20128254041936).

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

12222210101200 is a wasteful number, since it uses less digits than its factorization.

12222210101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27502853 (or 27502842 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12222210101200 its reverse (210101222221), we get a palindrome (12432311323421).

The spelling of 12222210101200 in words is "twelve trillion, two hundred twenty-two billion, two hundred ten million, one hundred one thousand, two hundred".