12022201211200 has 42 divisors (see below), whose sum is σ = 29582128859246. Its totient is φ = 4808880483840.

The previous prime is 12022201211171. The next prime is 12022201211213. The reversal of 12022201211200 is 211210222021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 153018662976 + 11869182548224 = 391176^2 + 3445168^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3756936279 + ... + 3756939478.

Almost surely, 2^{12022201211200} is an apocalyptic number.

12022201211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022201211200 is an abundant number, since it is smaller than the sum of its proper divisors (17559927648046).

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

12022201211200 is an equidigital number, since it uses as much as digits as its factorization.

12022201211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7513875779 (or 7513875764 counting only the distinct ones).

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

Adding to 12022201211200 its reverse (211210222021), we get a palindrome (12233411433221).

The spelling of 12022201211200 in words is "twelve trillion, twenty-two billion, two hundred one million, two hundred eleven thousand, two hundred".