222120112020212 has 24 divisors (see below), whose sum is σ = 444979392500160. Its totient is φ = 95035940481600.

The previous prime is 222120112020211. The next prime is 222120112020259. The reversal of 222120112020212 is 212020211021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120112020211) 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, 6599701262 + ... + 6599734917.

It is an arithmetic number, because the mean of its divisors is an integer number (18540808020840).

Almost surely, 2^{222120112020212} is an apocalyptic number.

It is an amenable number.

222120112020212 is an abundant number, since it is smaller than the sum of its proper divisors (222859280479948).

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

222120112020212 is a wasteful number, since it uses less digits than its factorization.

222120112020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199436791 (or 13199436789 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222120112020212 its reverse (212020211021222), we get a palindrome (434140323041434).

The spelling of 222120112020212 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twelve million, twenty thousand, two hundred twelve".