12223222220112 has 120 divisors (see below), whose sum is σ = 32128830081600. Its totient is φ = 4004364172800.

The previous prime is 12223222220089. The next prime is 12223222220129. The reversal of 12223222220112 is 21102222232221.

It is a super-3 number, since 3×12223222220112³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1035772612 + ... + 1035784412.

It is an arithmetic number, because the mean of its divisors is an integer number (267740250680).

Almost surely, 2^{12223222220112} is an apocalyptic number.

12223222220112 is a gapful number since it is divisible by the number (12) 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 12223222220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16064415040800).

12223222220112 is an abundant number, since it is smaller than the sum of its proper divisors (19905607861488).

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

12223222220112 is a wasteful number, since it uses less digits than its factorization.

12223222220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18129 (or 18064 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12223222220112 its reverse (21102222232221), we get a palindrome (33325444452333).

The spelling of 12223222220112 in words is "twelve trillion, two hundred twenty-three billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twelve".