202112242 has 8 divisors (see below), whose sum is σ = 305203500. Its totient is φ = 100377744.

The previous prime is 202112227. The next prime is 202112249. The reversal of 202112242 is 242211202.

It can be written as a sum of positive squares in 2 ways, for example, as 198274561 + 3837681 = 14081^2 + 1959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (202112249) 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, 338817 + ... + 339412.

Almost surely, 2^202112242 is an apocalyptic number.

202112242 is a deficient number, since it is larger than the sum of its proper divisors (103091258).

202112242 is a wasteful number, since it uses less digits than its factorization.

202112242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678380.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 202112242 is about 14216.6185149634. The cubic root of 202112242 is about 586.8550866176.

Adding to 202112242 its reverse (242211202), we get a palindrome (444323444).

The spelling of 202112242 in words is "two hundred two million, one hundred twelve thousand, two hundred forty-two".