12211122000222 has 32 divisors (see below), whose sum is σ = 27404498230560. Its totient is φ = 4030073265600.

The previous prime is 12211122000169. The next prime is 12211122000289. The reversal of 12211122000222 is 22200022111221.

It is a happy number.

12211122000222 is a `hidden beast` number, since 1 + 221 + 1 + 1 + 220 + 0 + 0 + 222 = 666.

It is a super-2 number, since 2×12211122000222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12211122000195 and 12211122000204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119459343 + ... + 1119470250.

It is an arithmetic number, because the mean of its divisors is an integer number (856390569705).

Almost surely, 2^{12211122000222} is an apocalyptic number.

12211122000222 is an abundant number, since it is smaller than the sum of its proper divisors (15193376230338).

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

12211122000222 is a wasteful number, since it uses less digits than its factorization.

12211122000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238929705 (or 2238929699 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12211122000222 its reverse (22200022111221), we get a palindrome (34411144111443).

The spelling of 12211122000222 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-two million, two hundred twenty-two", and thus it is an aban number.