212030242 has 16 divisors (see below), whose sum is σ = 321747552. Its totient is φ = 104788000.

The previous prime is 212030201. The next prime is 212030257. The reversal of 212030242 is 242030212.

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, 67233 + ... + 70315.

It is an arithmetic number, because the mean of its divisors is an integer number (20109222).

Almost surely, 2^212030242 is an apocalyptic number.

212030242 is a deficient number, since it is larger than the sum of its proper divisors (109717310).

212030242 is a wasteful number, since it uses less digits than its factorization.

212030242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 212030242 is about 14561.2582560711. The cubic root of 212030242 is about 596.3015474042.

Adding to 212030242 its reverse (242030212), we get a palindrome (454060454).

The spelling of 212030242 in words is "two hundred twelve million, thirty thousand, two hundred forty-two".