220211212222212 has 24 divisors (see below), whose sum is σ = 531544305364800. Its totient is φ = 70872574048416.

The previous prime is 220211212222117. The next prime is 220211212222231. The reversal of 220211212222212 is 212222212112022.

It is a happy number.

It is an unprimeable number.

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, 316395419512 + ... + 316395420207.

It is an arithmetic number, because the mean of its divisors is an integer number (22147679390200).

Almost surely, 2^{220211212222212} is an apocalyptic number.

It is an amenable number.

220211212222212 is an abundant number, since it is smaller than the sum of its proper divisors (311333093142588).

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

220211212222212 is a wasteful number, since it uses less digits than its factorization.

220211212222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632790839755 (or 632790839753 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 220211212222212 its reverse (212222212112022), we get a palindrome (432433424334234).

The spelling of 220211212222212 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twelve".