12200022222012 has 18 divisors (see below), whose sum is σ = 30838945061288. Its totient is φ = 4066674073992.

The previous prime is 12200022222001. The next prime is 12200022222013. The reversal of 12200022222012 is 21022222000221.

12200022222012 is a `hidden beast` number, since 1 + 220 + 0 + 0 + 222 + 220 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200022222013) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 169444753048 + ... + 169444753119.

Almost surely, 2^{12200022222012} is an apocalyptic number.

12200022222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12200022222012 is an abundant number, since it is smaller than the sum of its proper divisors (18638922839276).

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

12200022222012 is a wasteful number, since it uses less digits than its factorization.

12200022222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338889506177 (or 338889506172 counting only the distinct ones).

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

Adding to 12200022222012 its reverse (21022222000221), we get a palindrome (33222244222233).

The spelling of 12200022222012 in words is "twelve trillion, two hundred billion, twenty-two million, two hundred twenty-two thousand, twelve".