220321002112212 has 24 divisors (see below), whose sum is σ = 518631739488576. Its totient is φ = 72790419576448.

The previous prime is 220321002112199. The next prime is 220321002112213. The reversal of 220321002112212 is 212211200123022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220321002112213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81239306208 + ... + 81239308919.

It is an arithmetic number, because the mean of its divisors is an integer number (21609655812024).

Almost surely, 2^{220321002112212} is an apocalyptic number.

It is an amenable number.

220321002112212 is an abundant number, since it is smaller than the sum of its proper divisors (298310737376364).

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

220321002112212 is a wasteful number, since it uses less digits than its factorization.

220321002112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162478615247 (or 162478615245 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 220321002112212 its reverse (212211200123022), we get a palindrome (432532202235234).

The spelling of 220321002112212 in words is "two hundred twenty trillion, three hundred twenty-one billion, two million, one hundred twelve thousand, two hundred twelve".