204212042 has 8 divisors (see below), whose sum is σ = 306428832. Its totient is φ = 102069100.

The previous prime is 204212033. The next prime is 204212051. The reversal of 204212042 is 240212402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (204212033) and next prime (204212051).

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 204212042.

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, 10934 + ... + 22977.

It is an arithmetic number, because the mean of its divisors is an integer number (38303604).

Almost surely, 2^204212042 is an apocalyptic number.

204212042 is a deficient number, since it is larger than the sum of its proper divisors (102216790).

204212042 is a wasteful number, since it uses less digits than its factorization.

204212042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36924.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 204212042 is about 14290.2778839321. The cubic root of 204212042 is about 588.8804220899.

Adding to 204212042 its reverse (240212402), we get a palindrome (444424444).

The spelling of 204212042 in words is "two hundred four million, two hundred twelve thousand, forty-two".