12100202021122 has 32 divisors (see below), whose sum is σ = 18461724534720. Its totient is φ = 5946699823680.

The previous prime is 12100202021111. The next prime is 12100202021191. The reversal of 12100202021122 is 22112020200121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12100202021096 and 12100202021105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192459972 + ... + 192522832.

It is an arithmetic number, because the mean of its divisors is an integer number (576928891710).

Almost surely, 2^{12100202021122} is an apocalyptic number.

12100202021122 is a deficient number, since it is larger than the sum of its proper divisors (6361522513598).

12100202021122 is a wasteful number, since it uses less digits than its factorization.

12100202021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66066.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12100202021122 its reverse (22112020200121), we get a palindrome (34212222221243).

The spelling of 12100202021122 in words is "twelve trillion, one hundred billion, two hundred two million, twenty-one thousand, one hundred twenty-two".