12222220202112 has 128 divisors (see below), whose sum is σ = 34810122297600. Its totient is φ = 3785884876800.

The previous prime is 12222220202089. The next prime is 12222220202207. The reversal of 12222220202112 is 21120202222221.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11334139 + ... + 12365562.

It is an arithmetic number, because the mean of its divisors is an integer number (271954080450).

Almost surely, 2^{12222220202112} is an apocalyptic number.

12222220202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222220202112 is an abundant number, since it is smaller than the sum of its proper divisors (22587902095488).

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

12222220202112 is a wasteful number, since it uses less digits than its factorization.

12222220202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23699814 (or 23699802 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12222220202112 its reverse (21120202222221), we get a palindrome (33342422424333).

The spelling of 12222220202112 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty million, two hundred two thousand, one hundred twelve".