222201212012 has 12 divisors (see below), whose sum is σ = 418763822736. Its totient is φ = 102554405520.

The previous prime is 222201211997. The next prime is 222201212029. The reversal of 222201212012 is 210212102222.

It is a happy 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, 2136550064 + ... + 2136550167.

It is an arithmetic number, because the mean of its divisors is an integer number (34896985228).

Almost surely, 2^222201212012 is an apocalyptic number.

It is an amenable number.

222201212012 is a deficient number, since it is larger than the sum of its proper divisors (196562610724).

222201212012 is a wasteful number, since it uses less digits than its factorization.

222201212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273100248 (or 4273100246 counting only the distinct ones).

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

Adding to 222201212012 its reverse (210212102222), we get a palindrome (432413314234).

The spelling of 222201212012 in words is "two hundred twenty-two billion, two hundred one million, two hundred twelve thousand, twelve".