12122200101222 has 48 divisors (see below), whose sum is σ = 27510921554688. Its totient is φ = 3850353268080.

The previous prime is 12122200101181. The next prime is 12122200101259. The reversal of 12122200101222 is 22210100222121.

It is a happy number.

12122200101222 is a `hidden beast` number, since 1 + 212 + 220 + 0 + 10 + 1 + 222 = 666.

12122200101222 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 = 12122200101195 and 12122200101204.

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, 55557804 + ... + 55775567.

It is an arithmetic number, because the mean of its divisors is an integer number (573144199056).

Almost surely, 2^{12122200101222} is an apocalyptic number.

12122200101222 is an abundant number, since it is smaller than the sum of its proper divisors (15388721453466).

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

12122200101222 is a wasteful number, since it uses less digits than its factorization.

12122200101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111333665 (or 111333662 counting only the distinct ones).

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

Adding to 12122200101222 its reverse (22210100222121), we get a palindrome (34332300323343).

The spelling of 12122200101222 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, one hundred one thousand, two hundred twenty-two".