12002002122222 has 24 divisors (see below), whose sum is σ = 29719243350576. Its totient is φ = 3429143463456.

The previous prime is 12002002122163. The next prime is 12002002122287. The reversal of 12002002122222 is 22222120020021.

12002002122222 is a `hidden beast` number, since 1 + 200 + 200 + 21 + 22 + 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 = 12002002122195 and 12002002122204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47626992423 + ... + 47626992674.

It is an arithmetic number, because the mean of its divisors is an integer number (1238301806274).

Almost surely, 2^{12002002122222} is an apocalyptic number.

12002002122222 is an abundant number, since it is smaller than the sum of its proper divisors (17717241228354).

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

12002002122222 is a wasteful number, since it uses less digits than its factorization.

12002002122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95253985112 (or 95253985109 counting only the distinct ones).

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

Adding to 12002002122222 its reverse (22222120020021), we get a palindrome (34224122142243).

The spelling of 12002002122222 in words is "twelve trillion, two billion, two million, one hundred twenty-two thousand, two hundred twenty-two".