222222122012 has 24 divisors (see below), whose sum is σ = 429353592192. Its totient is φ = 99793065200.

The previous prime is 222222122009. The next prime is 222222122041. The reversal of 222222122012 is 210221222222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30421064 + ... + 30428367.

It is an arithmetic number, because the mean of its divisors is an integer number (17889733008).

Almost surely, 2^222222122012 is an apocalyptic number.

222222122012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222222122012 is a deficient number, since it is larger than the sum of its proper divisors (207131470180).

222222122012 is a wasteful number, since it uses less digits than its factorization.

222222122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60849529 (or 60849527 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222122012 its reverse (210221222222), we get a palindrome (432443344234).

The spelling of 222222122012 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, twelve".