222031120212 has 36 divisors (see below), whose sum is σ = 612267635616. Its totient is φ = 67282157520.

The previous prime is 222031120183. The next prime is 222031120253. The reversal of 222031120212 is 212021130222.

It is a tau number, because it is divible by the number of its divisors (36).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280341928 + ... + 280342719.

Almost surely, 2^222031120212 is an apocalyptic number.

222031120212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222031120212 is an abundant number, since it is smaller than the sum of its proper divisors (390236515404).

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

222031120212 is a wasteful number, since it uses less digits than its factorization.

222031120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560684668 (or 560684663 counting only the distinct ones).

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

Adding to 222031120212 its reverse (212021130222), we get a palindrome (434052250434).

It can be divided in two parts, 222031 and 120212, that added together give a palindrome (342243).

The spelling of 222031120212 in words is "two hundred twenty-two billion, thirty-one million, one hundred twenty thousand, two hundred twelve".