12222011002122 has 48 divisors (see below), whose sum is σ = 26842630412520. Its totient is φ = 4018671792000.

The previous prime is 12222011002111. The next prime is 12222011002141. The reversal of 12222011002122 is 22120011022221.

It is a happy number.

12222011002122 is a `hidden beast` number, since 122 + 220 + 110 + 0 + 212 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12151212967881 + 70798034241 = 3485859^2 + 266079^2 .

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 = 12222011002095 and 12222011002104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12006829 + ... + 12984912.

Almost surely, 2^{12222011002122} is an apocalyptic number.

12222011002122 is an abundant number, since it is smaller than the sum of its proper divisors (14620619410398).

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

12222011002122 is a wasteful number, since it uses less digits than its factorization.

12222011002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24992119 (or 24992116 counting only the distinct ones).

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

Adding to 12222011002122 its reverse (22120011022221), we get a palindrome (34342022024343).

The spelling of 12222011002122 in words is "twelve trillion, two hundred twenty-two billion, eleven million, two thousand, one hundred twenty-two".