220222112231212 has 24 divisors (see below), whose sum is σ = 474324549421856. Its totient is φ = 87120835607808.

The previous prime is 220222112231197. The next prime is 220222112231213. The reversal of 220222112231212 is 212132211222022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220222112231213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302502901053 + ... + 302502901780.

Almost surely, 2^{220222112231212} is an apocalyptic number.

It is an amenable number.

220222112231212 is an abundant number, since it is smaller than the sum of its proper divisors (254102437190644).

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

220222112231212 is a wasteful number, since it uses less digits than its factorization.

220222112231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605005802857 (or 605005802855 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 220222112231212 its reverse (212132211222022), we get a palindrome (432354323453234).

The spelling of 220222112231212 in words is "two hundred twenty trillion, two hundred twenty-two billion, one hundred twelve million, two hundred thirty-one thousand, two hundred twelve".