12110220021222 has 24 divisors (see below), whose sum is σ = 26238931834440. Its totient is φ = 4036721270400.

The previous prime is 12110220021167. The next prime is 12110220021307. The reversal of 12110220021222 is 22212002201121.

It is a happy number.

12110220021222 is a `hidden beast` number, since 1 + 211 + 0 + 220 + 0 + 212 + 22 = 666.

12110220021222 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 = 12110220021195 and 12110220021204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2745429 + ... + 5635407.

It is an arithmetic number, because the mean of its divisors is an integer number (1093288826435).

Almost surely, 2^{12110220021222} is an apocalyptic number.

12110220021222 is an abundant number, since it is smaller than the sum of its proper divisors (14128711813218).

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

12110220021222 is a wasteful number, since it uses less digits than its factorization.

12110220021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122788 (or 3122785 counting only the distinct ones).

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

Adding to 12110220021222 its reverse (22212002201121), we get a palindrome (34322222222343).

The spelling of 12110220021222 in words is "twelve trillion, one hundred ten billion, two hundred twenty million, twenty-one thousand, two hundred twenty-two".