222120200021212 has 48 divisors (see below), whose sum is σ = 398564367868800. Its totient is φ = 108280270264320.

The previous prime is 222120200021197. The next prime is 222120200021231. The reversal of 222120200021212 is 212120002021222.

It is a self number, because there is not a number n which added to its sum of digits gives 222120200021212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100756512 + ... + 102937432.

It is an arithmetic number, because the mean of its divisors is an integer number (8303424330600).

Almost surely, 2^{222120200021212} is an apocalyptic number.

It is an amenable number.

222120200021212 is a deficient number, since it is larger than the sum of its proper divisors (176444167847588).

222120200021212 is a wasteful number, since it uses less digits than its factorization.

222120200021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185006 (or 2185004 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222120200021212 its reverse (212120002021222), we get a palindrome (434240202042434).

The spelling of 222120200021212 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, twenty-one thousand, two hundred twelve".