222201322120012 has 12 divisors (see below), whose sum is σ = 390695215672216. Its totient is φ = 110574117642240.

The previous prime is 222201322119971. The next prime is 222201322120093. The reversal of 222201322120012 is 210021223102222.

It is a happy number.

It is a super-2 number, since 2×222201322120012² (a number of 29 digits) contains 22 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, 131635853493 + ... + 131635855180.

Almost surely, 2^{222201322120012} is an apocalyptic number.

It is an amenable number.

222201322120012 is a deficient number, since it is larger than the sum of its proper divisors (168493893552204).

222201322120012 is a wasteful number, since it uses less digits than its factorization.

222201322120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263271708888 (or 263271708886 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 222201322120012 its reverse (210021223102222), we get a palindrome (432222545222234).

The spelling of 222201322120012 in words is "two hundred twenty-two trillion, two hundred one billion, three hundred twenty-two million, one hundred twenty thousand, twelve".