222220112112000 has 1536 divisors, whose sum is σ = 854548497728640. Its totient is φ = 55250657280000.

The previous prime is 222220112111939. The next prime is 222220112112017. The reversal of 222220112112000 is 211211022222.

It is a happy number.

222220112112000 is a `hidden beast` number, since 2 + 22 + 220 + 11 + 211 + 200 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12142502850 + ... + 12142521150.

Almost surely, 2^{222220112112000} is an apocalyptic number.

222220112112000 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 222220112112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427274248864320).

222220112112000 is an abundant number, since it is smaller than the sum of its proper divisors (632328385616640).

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

222220112112000 is a wasteful number, since it uses less digits than its factorization.

222220112112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469 (or 18444 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222220112112000 its reverse (211211022222), we get a palindrome (222431323134222).

The spelling of 222220112112000 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twelve million, one hundred twelve thousand".