12200011212222 has 48 divisors (see below), whose sum is σ = 27989976963312. Its totient is φ = 3827219838720.

The previous prime is 12200011212173. The next prime is 12200011212223. The reversal of 12200011212222 is 22221211000221.

It is a happy number.

12200011212222 is a `hidden beast` number, since 1 + 220 + 0 + 0 + 11 + 212 + 222 = 666.

12200011212222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12200011212195 and 12200011212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200011212223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3810853 + ... + 6238799.

It is an arithmetic number, because the mean of its divisors is an integer number (583124520069).

Almost surely, 2^{12200011212222} is an apocalyptic number.

12200011212222 is an abundant number, since it is smaller than the sum of its proper divisors (15789965751090).

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

12200011212222 is a wasteful number, since it uses less digits than its factorization.

12200011212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444393 (or 2444390 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12200011212222 its reverse (22221211000221), we get a palindrome (34421222212443).

The spelling of 12200011212222 in words is "twelve trillion, two hundred billion, eleven million, two hundred twelve thousand, two hundred twenty-two".