20202112120112 has 20 divisors (see below), whose sum is σ = 42152483943360. Its totient is φ = 9324051747648.

The previous prime is 20202112120111. The next prime is 20202112120153. The reversal of 20202112120112 is 21102121120202.

It is a super-2 number, since 2×20202112120112² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20202112120111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48562769312 + ... + 48562769727.

It is an arithmetic number, because the mean of its divisors is an integer number (2107624197168).

Almost surely, 2^{20202112120112} is an apocalyptic number.

It is an amenable number.

20202112120112 is an abundant number, since it is smaller than the sum of its proper divisors (21950371823248).

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

20202112120112 is a wasteful number, since it uses less digits than its factorization.

20202112120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97125539060 (or 97125539054 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20202112120112 its reverse (21102121120202), we get a palindrome (41304233240314).

The spelling of 20202112120112 in words is "twenty trillion, two hundred two billion, one hundred twelve million, one hundred twenty thousand, one hundred twelve".