202143220112 has 40 divisors (see below), whose sum is σ = 412351762560. Its totient is φ = 95732081280.

The previous prime is 202143220079. The next prime is 202143220159. The reversal of 202143220112 is 211022341202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444937 + ... + 1578647.

It is an arithmetic number, because the mean of its divisors is an integer number (10308794064).

Almost surely, 2^202143220112 is an apocalyptic number.

It is an amenable number.

202143220112 is an abundant number, since it is smaller than the sum of its proper divisors (210208542448).

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

202143220112 is a wasteful number, since it uses less digits than its factorization.

202143220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138711 (or 138705 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202143220112 its reverse (211022341202), we get a palindrome (413165561314).

The spelling of 202143220112 in words is "two hundred two billion, one hundred forty-three million, two hundred twenty thousand, one hundred twelve".