12021210201222 has 48 divisors (see below), whose sum is σ = 26751482409600. Its totient is φ = 3898540267776.

The previous prime is 12021210201199. The next prime is 12021210201241. The reversal of 12021210201222 is 22210201212021.

It is a happy number.

12021210201222 is a `hidden beast` number, since 1 + 20 + 212 + 10 + 201 + 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 = 12021210201195 and 12021210201204.

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, 10918654 + ... + 11969102.

It is an arithmetic number, because the mean of its divisors is an integer number (557322550200).

Almost surely, 2^{12021210201222} is an apocalyptic number.

12021210201222 is an abundant number, since it is smaller than the sum of its proper divisors (14730272208378).

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

12021210201222 is a wasteful number, since it uses less digits than its factorization.

12021210201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067677 (or 1067674 counting only the distinct ones).

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

Adding to 12021210201222 its reverse (22210201212021), we get a palindrome (34231411413243).

The spelling of 12021210201222 in words is "twelve trillion, twenty-one billion, two hundred ten million, two hundred one thousand, two hundred twenty-two".