212024242 has 4 divisors (see below), whose sum is σ = 318036366. Its totient is φ = 106012120.

The previous prime is 212024237. The next prime is 212024251. The reversal of 212024242 is 242420212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 212022721 + 1521 = 14561^2 + 39^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53006059 + ... + 53006062.

Almost surely, 2^212024242 is an apocalyptic number.

212024242 is a deficient number, since it is larger than the sum of its proper divisors (106012124).

212024242 is a wasteful number, since it uses less digits than its factorization.

212024242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106012123.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 212024242 is about 14561.0522284621. The cubic root of 212024242 is about 596.2959226673.

Adding to 212024242 its reverse (242420212), we get a palindrome (454444454).

It can be divided in two parts, 2120 and 24242, that added together give a palindrome (26362).

The spelling of 212024242 in words is "two hundred twelve million, twenty-four thousand, two hundred forty-two".