12222110001222 has 64 divisors (see below), whose sum is σ = 29633297541120. Its totient is φ = 3703177202400.

The previous prime is 12222110001217. The next prime is 12222110001281. The reversal of 12222110001222 is 22210001122221.

It is a happy number.

12222110001222 is a `hidden beast` number, since 122 + 221 + 100 + 0 + 1 + 222 = 666.

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 = 12222110001195 and 12222110001204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3115083 + ... + 5843625.

It is an arithmetic number, because the mean of its divisors is an integer number (463020274080).

Almost surely, 2^{12222110001222} is an apocalyptic number.

12222110001222 is an abundant number, since it is smaller than the sum of its proper divisors (17411187539898).

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

12222110001222 is a wasteful number, since it uses less digits than its factorization.

12222110001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736106 (or 2736100 counting only the distinct ones).

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

Adding to 12222110001222 its reverse (22210001122221), we get a palindrome (34432111123443).

The spelling of 12222110001222 in words is "twelve trillion, two hundred twenty-two billion, one hundred ten million, one thousand, two hundred twenty-two".