202143112 has 16 divisors (see below), whose sum is σ = 379305360. Its totient is φ = 100995024.

The previous prime is 202143103. The next prime is 202143127. The reversal of 202143112 is 211341202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563 + ... + 20269.

It is an arithmetic number, because the mean of its divisors is an integer number (23706585).

Almost surely, 2^202143112 is an apocalyptic number.

It is an amenable number.

202143112 is a deficient number, since it is larger than the sum of its proper divisors (177162248).

202143112 is a wasteful number, since it uses less digits than its factorization.

202143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19140 (or 19136 counting only the distinct ones).

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

The square root of 202143112 is about 14217.7041747253. The cubic root of 202143112 is about 586.8849632414.

Adding to 202143112 its reverse (211341202), we get a palindrome (413484314).

The spelling of 202143112 in words is "two hundred two million, one hundred forty-three thousand, one hundred twelve".