22212112112000 has 256 divisors, whose sum is σ = 56591274317760. Its totient is φ = 8665159680000.

The previous prime is 22212112111997. The next prime is 22212112112051. The reversal of 22212112112000 is 21121121222.

It is a self number, because there is not a number n which added to its sum of digits gives 22212112112000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3661132967 + ... + 3661139033.

Almost surely, 2^{22212112112000} is an apocalyptic number.

22212112112000 is a gapful number since it is divisible by the number (20) 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 22212112112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28295637158880).

22212112112000 is an abundant number, since it is smaller than the sum of its proper divisors (34379162205760).

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

22212112112000 is an equidigital number, since it uses as much as digits as its factorization.

22212112112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11718 (or 11696 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22212112112000 its reverse (21121121222), we get a palindrome (22233233233222).

The spelling of 22212112112000 in words is "twenty-two trillion, two hundred twelve billion, one hundred twelve million, one hundred twelve thousand".