222110012101212 has 18 divisors (see below), whose sum is σ = 561444752811488. Its totient is φ = 74036670700392.

The previous prime is 222110012101207. The next prime is 222110012101231. The reversal of 222110012101212 is 212101210011222.

222110012101212 is a `hidden beast` number, since 222 + 110 + 0 + 1 + 210 + 121 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3084861279148 + ... + 3084861279219.

Almost surely, 2^{222110012101212} is an apocalyptic number.

It is an amenable number.

222110012101212 is an abundant number, since it is smaller than the sum of its proper divisors (339334740710276).

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

222110012101212 is a wasteful number, since it uses less digits than its factorization.

222110012101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169722558377 (or 6169722558372 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222110012101212 its reverse (212101210011222), we get a palindrome (434211222112434).

The spelling of 222110012101212 in words is "two hundred twenty-two trillion, one hundred ten billion, twelve million, one hundred one thousand, two hundred twelve".