222120230112 has 72 divisors (see below), whose sum is σ = 689077541880. Its totient is φ = 67309159680.

The previous prime is 222120230083. The next prime is 222120230183. The reversal of 222120230112 is 211032021222.

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 35053687 + ... + 35060022.

It is an arithmetic number, because the mean of its divisors is an integer number (9570521415).

Almost surely, 2^222120230112 is an apocalyptic number.

222120230112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222120230112 is an abundant number, since it is smaller than the sum of its proper divisors (466957311768).

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

222120230112 is a wasteful number, since it uses less digits than its factorization.

222120230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70113736 (or 70113725 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222120230112 its reverse (211032021222), we get a palindrome (433152251334).

The spelling of 222120230112 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred thirty thousand, one hundred twelve".