222120001200212 has 24 divisors (see below), whose sum is σ = 388953460363104. Its totient is φ = 110990443198112.

The previous prime is 222120001200211. The next prime is 222120001200217. The reversal of 222120001200212 is 212002100021222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120001200211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495505403 + ... + 495953469.

It is an arithmetic number, because the mean of its divisors is an integer number (16206394181796).

Almost surely, 2^{222120001200212} is an apocalyptic number.

It is an amenable number.

222120001200212 is a deficient number, since it is larger than the sum of its proper divisors (166833459162892).

222120001200212 is a wasteful number, since it uses less digits than its factorization.

222120001200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525415 (or 525413 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222120001200212 its reverse (212002100021222), we get a palindrome (434122101221434).

The spelling of 222120001200212 in words is "two hundred twenty-two trillion, one hundred twenty billion, one million, two hundred thousand, two hundred twelve".