12012002202222 has 48 divisors (see below), whose sum is σ = 29626440225408. Its totient is φ = 3481739767440.

The previous prime is 12012002202209. The next prime is 12012002202259. The reversal of 12012002202222 is 22220220021021.

12012002202222 is a `hidden beast` number, since 1 + 20 + 1 + 200 + 220 + 2 + 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 = 12012002202195 and 12012002202204.

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, 1318836268 + ... + 1318845375.

It is an arithmetic number, because the mean of its divisors is an integer number (617217504696).

Almost surely, 2^{12012002202222} is an apocalyptic number.

12012002202222 is an abundant number, since it is smaller than the sum of its proper divisors (17614438023186).

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

12012002202222 is a wasteful number, since it uses less digits than its factorization.

12012002202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637681685 (or 2637681682 counting only the distinct ones).

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

Adding to 12012002202222 its reverse (22220220021021), we get a palindrome (34232222223243).

The spelling of 12012002202222 in words is "twelve trillion, twelve billion, two million, two hundred two thousand, two hundred twenty-two".