220112121222000 has 1280 divisors, whose sum is σ = 914087454658560. Its totient is φ = 49592217600000.

The previous prime is 220112121221987. The next prime is 220112121222061. The reversal of 220112121222000 is 222121211022.

It is a happy number.

220112121222000 is a `hidden beast` number, since 220 + 1 + 1 + 212 + 12 + 220 + 0 + 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 255 ways as a sum of consecutive naturals, for example, 9203154042 + ... + 9203177958.

It is an arithmetic number, because the mean of its divisors is an integer number (714130823952).

Almost surely, 2^{220112121222000} is an apocalyptic number.

220112121222000 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 220112121222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457043727329280).

220112121222000 is an abundant number, since it is smaller than the sum of its proper divisors (693975333436560).

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

220112121222000 is a wasteful number, since it uses less digits than its factorization.

220112121222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24304 (or 24282 counting only the distinct ones).

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

Adding to 220112121222000 its reverse (222121211022), we get a palindrome (220334242433022).

The spelling of 220112121222000 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred twenty-one million, two hundred twenty-two thousand".