222002212212212 has 12 divisors (see below), whose sum is σ = 388503978575076. Its totient is φ = 111001075476480.

The previous prime is 222002212212169. The next prime is 222002212212307. The reversal of 222002212212212 is 212212212200222.

It can be written as a sum of positive squares in 2 ways, for example, as 93670381295716 + 128331830916496 = 9678346^2 + 11328364^2 .

It is a congruent number.

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, 18832838 + ... + 28260930.

It is an arithmetic number, because the mean of its divisors is an integer number (32375331547923).

Almost surely, 2^{222002212212212} is an apocalyptic number.

It is an amenable number.

222002212212212 is a deficient number, since it is larger than the sum of its proper divisors (166501766362864).

222002212212212 is a wasteful number, since it uses less digits than its factorization.

222002212212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15314818 (or 15314816 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222002212212212 its reverse (212212212200222), we get a palindrome (434214424412434).

The spelling of 222002212212212 in words is "two hundred twenty-two trillion, two billion, two hundred twelve million, two hundred twelve thousand, two hundred twelve".