12002222120022 has 64 divisors (see below), whose sum is σ = 26688654456000. Its totient is φ = 3998184053760.

The previous prime is 12002222120003. The next prime is 12002222120023. The reversal of 12002222120022 is 22002122220021.

12002222120022 is a `hidden beast` number, since 1 + 200 + 22 + 221 + 200 + 22 = 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 = 12002222119977 and 12002222120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002222120023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954292998 + ... + 954305574.

It is an arithmetic number, because the mean of its divisors is an integer number (417010225875).

Almost surely, 2^{12002222120022} is an apocalyptic number.

12002222120022 is an abundant number, since it is smaller than the sum of its proper divisors (14686432335978).

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

12002222120022 is a wasteful number, since it uses less digits than its factorization.

12002222120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22478 (or 22472 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12002222120022 its reverse (22002122220021), we get a palindrome (34004344340043).

Subtracting 12002222120022 from its reverse (22002122220021), we obtain a palindrome (9999900099999).

The spelling of 12002222120022 in words is "twelve trillion, two billion, two hundred twenty-two million, one hundred twenty thousand, twenty-two".