222212122210212 has 12 divisors (see below), whose sum is σ = 518494951823856. Its totient is φ = 74070707403400.

The previous prime is 222212122210207. The next prime is 222212122210223. The reversal of 222212122210212 is 212012221212222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×222212122210212³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9258838425414 + ... + 9258838425437.

It is an arithmetic number, because the mean of its divisors is an integer number (43207912651988).

Almost surely, 2^{222212122210212} is an apocalyptic number.

It is an amenable number.

222212122210212 is an abundant number, since it is smaller than the sum of its proper divisors (296282829613644).

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

222212122210212 is a wasteful number, since it uses less digits than its factorization.

222212122210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18517676850858 (or 18517676850856 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 222212122210212 its reverse (212012221212222), we get a palindrome (434224343422434).

The spelling of 222212122210212 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, two hundred twelve".