20102102022212 has 24 divisors (see below), whose sum is σ = 40257738312960. Its totient is φ = 8603714952000.

The previous prime is 20102102022203. The next prime is 20102102022239. The reversal of 20102102022212 is 21222020120102.

It is a happy number.

It is a super-2 number, since 2×20102102022212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477963137 + ... + 478005192.

It is an arithmetic number, because the mean of its divisors is an integer number (1677405763040).

Almost surely, 2^{20102102022212} is an apocalyptic number.

It is an amenable number.

20102102022212 is an abundant number, since it is smaller than the sum of its proper divisors (20155636290748).

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

20102102022212 is a wasteful number, since it uses less digits than its factorization.

20102102022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955969091 (or 955969089 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20102102022212 its reverse (21222020120102), we get a palindrome (41324122142314).

The spelling of 20102102022212 in words is "twenty trillion, one hundred two billion, one hundred two million, twenty-two thousand, two hundred twelve".