222000121201212 has 84 divisors (see below), whose sum is σ = 583105511938656. Its totient is φ = 73921063993920.

The previous prime is 222000121201163. The next prime is 222000121201241. The reversal of 222000121201212 is 212102121000222.

It is a happy number.

222000121201212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 37892964 + ... + 43357547.

It is an arithmetic number, because the mean of its divisors is an integer number (6941732284984).

Almost surely, 2^{222000121201212} is an apocalyptic number.

It is an amenable number.

222000121201212 is an abundant number, since it is smaller than the sum of its proper divisors (361105390737444).

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

222000121201212 is an equidigital number, since it uses as much as digits as its factorization.

222000121201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81251470 (or 81251453 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222000121201212 its reverse (212102121000222), we get a palindrome (434102242201434).

The spelling of 222000121201212 in words is "two hundred twenty-two trillion, one hundred twenty-one million, two hundred one thousand, two hundred twelve".