12222222001022 has 48 divisors (see below), whose sum is σ = 20685208054896. Its totient is φ = 5409237187200.

The previous prime is 12222222000929. The next prime is 12222222001091. The reversal of 12222222001022 is 22010022222221.

It is a junction number, because it is equal to n+sod(n) for n = 12222222000985 and 12222222001003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1446122 + ... + 5151282.

It is an arithmetic number, because the mean of its divisors is an integer number (430941834477).

Almost surely, 2^{12222222001022} is an apocalyptic number.

12222222001022 is a deficient number, since it is larger than the sum of its proper divisors (8462986053874).

12222222001022 is a wasteful number, since it uses less digits than its factorization.

12222222001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705545 (or 3705534 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12222222001022 its reverse (22010022222221), we get a palindrome (34232244223243).

The spelling of 12222222001022 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-two million, one thousand, twenty-two".