220211210212212 has 12 divisors (see below), whose sum is σ = 513826157161856. Its totient is φ = 73403736737400.

The previous prime is 220211210212187. The next prime is 220211210212247. The reversal of 220211210212212 is 212212012112022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×220211210212212³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9175467092164 + ... + 9175467092187.

Almost surely, 2^{220211210212212} is an apocalyptic number.

It is an amenable number.

220211210212212 is an abundant number, since it is smaller than the sum of its proper divisors (293614946949644).

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

220211210212212 is a wasteful number, since it uses less digits than its factorization.

220211210212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18350934184358 (or 18350934184356 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220211210212212 its reverse (212212012112022), we get a palindrome (432423222324234).

The spelling of 220211210212212 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".