202112120203 has 48 divisors (see below), whose sum is σ = 246674841600. Its totient is φ = 164908275840.

The previous prime is 202112120179. The next prime is 202112120207. The reversal of 202112120203 is 302021211202.

It is a happy number.

It is not a de Polignac number, because 202112120203 - 2²¹ = 202110023051 is a prime.

It is a super-2 number, since 2×202112120203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202112120207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114900838 + ... + 114902596.

It is an arithmetic number, because the mean of its divisors is an integer number (5139059200).

Almost surely, 2^202112120203 is an apocalyptic number.

202112120203 is a deficient number, since it is larger than the sum of its proper divisors (44562721397).

202112120203 is a wasteful number, since it uses less digits than its factorization.

202112120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000 (or 2993 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202112120203 its reverse (302021211202), we get a palindrome (504133331405).

Subtracting 202112120203 from its reverse (302021211202), we obtain a palindrome (99909090999).

The spelling of 202112120203 in words is "two hundred two billion, one hundred twelve million, one hundred twenty thousand, two hundred three".