12100121222022 has 48 divisors (see below), whose sum is σ = 27166203018240. Its totient is φ = 3889706301936.

The previous prime is 12100121221949. The next prime is 12100121222039. The reversal of 12100121222022 is 22022212100121.

It is a happy number.

12100121222022 is a `hidden beast` number, since 1 + 210 + 0 + 1 + 212 + 220 + 22 = 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 = 12100121221986 and 12100121222004.

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, 98883358 + ... + 99005649.

It is an arithmetic number, because the mean of its divisors is an integer number (565962562880).

Almost surely, 2^{12100121222022} is an apocalyptic number.

12100121222022 is an abundant number, since it is smaller than the sum of its proper divisors (15066081796218).

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

12100121222022 is a wasteful number, since it uses less digits than its factorization.

12100121222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197889137 (or 197889134 counting only the distinct ones).

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

Adding to 12100121222022 its reverse (22022212100121), we get a palindrome (34122333322143).

The spelling of 12100121222022 in words is "twelve trillion, one hundred billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty-two".