210112442 has 8 divisors (see below), whose sum is σ = 315339156. Its totient is φ = 104999392.

The previous prime is 210112439. The next prime is 210112447. The reversal of 210112442 is 244211012.

210112442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 206468161 + 3644281 = 14369^2 + 1909^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 210112442.

It is not an unprimeable number, because it can be changed into a prime (210112447) 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, 23633 + ... + 31284.

Almost surely, 2^210112442 is an apocalyptic number.

210112442 is a deficient number, since it is larger than the sum of its proper divisors (105226714).

210112442 is a wasteful number, since it uses less digits than its factorization.

210112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56832.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 210112442 is about 14495.2558445858. The cubic root of 210112442 is about 594.4982630893.

Adding to 210112442 its reverse (244211012), we get a palindrome (454323454).

The spelling of 210112442 in words is "two hundred ten million, one hundred twelve thousand, four hundred forty-two".