12222102220000 has 120 divisors (see below), whose sum is σ = 30200675046696. Its totient is φ = 4867302336000.

The previous prime is 12222102219997. The next prime is 12222102220079. The reversal of 12222102220000 is 2220122221.

It is a super-2 number, since 2×12222102220000² (a number of 27 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3193954 + ... + 5886046.

Almost surely, 2^{12222102220000} is an apocalyptic number.

12222102220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222102220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15100337523348).

12222102220000 is an abundant number, since it is smaller than the sum of its proper divisors (17978572826696).

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

12222102220000 is an equidigital number, since it uses as much as digits as its factorization.

12222102220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692350 (or 2692327 counting only the distinct ones).

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

Adding to 12222102220000 its reverse (2220122221), we get a palindrome (12224322342221).

It can be divided in two parts, 122 and 22102220000, that added together give a palindrome (22102220122).

The spelling of 12222102220000 in words is "twelve trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand".