12111201120222 has 96 divisors (see below), whose sum is σ = 27459382354560. Its totient is φ = 3853991897280.

The previous prime is 12111201120149. The next prime is 12111201120223. The reversal of 12111201120222 is 22202110211121.

12111201120222 is a `hidden beast` number, since 1 + 211 + 120 + 112 + 0 + 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 = 12111201120195 and 12111201120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111201120223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20256097 + ... + 20845427.

It is an arithmetic number, because the mean of its divisors is an integer number (286035232860).

Almost surely, 2^{12111201120222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12111201120222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13729691177280).

12111201120222 is an abundant number, since it is smaller than the sum of its proper divisors (15348181234338).

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

12111201120222 is a wasteful number, since it uses less digits than its factorization.

12111201120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589958 (or 589955 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12111201120222 its reverse (22202110211121), we get a palindrome (34313311331343).

The spelling of 12111201120222 in words is "twelve trillion, one hundred eleven billion, two hundred one million, one hundred twenty thousand, two hundred twenty-two".