222112421312 has 14 divisors (see below), whose sum is σ = 440754336168. Its totient is φ = 111056210624.

The previous prime is 222112421291. The next prime is 222112421317. The reversal of 222112421312 is 213124211222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112421317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1735253228 + ... + 1735253355.

Almost surely, 2^222112421312 is an apocalyptic number.

It is an amenable number.

222112421312 is a deficient number, since it is larger than the sum of its proper divisors (218641914856).

222112421312 is an equidigital number, since it uses as much as digits as its factorization.

222112421312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470506595 (or 3470506585 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

Adding to 222112421312 its reverse (213124211222), we get a palindrome (435236632534).

The spelling of 222112421312 in words is "two hundred twenty-two billion, one hundred twelve million, four hundred twenty-one thousand, three hundred twelve".