202112012120 has 32 divisors (see below), whose sum is σ = 455340391920. Its totient is φ = 80740206720.

The previous prime is 202112012051. The next prime is 202112012129. The reversal of 202112012120 is 21210211202.

202112012120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202112012095 and 202112012104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112012129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237386 + ... + 3299225.

Almost surely, 2^202112012120 is an apocalyptic number.

202112012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202112012120 is an abundant number, since it is smaller than the sum of its proper divisors (253228379800).

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

202112012120 is a wasteful number, since it uses less digits than its factorization.

202112012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6537395 (or 6537391 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202112012120 its reverse (21210211202), we get a palindrome (223322223322).

The spelling of 202112012120 in words is "two hundred two billion, one hundred twelve million, twelve thousand, one hundred twenty".