222312030120 has 192 divisors, whose sum is σ = 757721952000. Its totient is φ = 56420305920.

The previous prime is 222312030091. The next prime is 222312030151. The reversal of 222312030120 is 21030213222.

222312030120 is a `hidden beast` number, since 2 + 223 + 120 + 301 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 222312030093 and 222312030102.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1580260 + ... + 1715180.

It is an arithmetic number, because the mean of its divisors is an integer number (3946468500).

Almost surely, 2^222312030120 is an apocalyptic number.

222312030120 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 222312030120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378860976000).

222312030120 is an abundant number, since it is smaller than the sum of its proper divisors (535409921880).

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

222312030120 is a wasteful number, since it uses less digits than its factorization.

222312030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135160 (or 135153 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222312030120 its reverse (21030213222), we get a palindrome (243342243342).

The spelling of 222312030120 in words is "two hundred twenty-two billion, three hundred twelve million, thirty thousand, one hundred twenty".