204212401 has 8 divisors (see below), whose sum is σ = 207662400. Its totient is φ = 200778480.

The previous prime is 204212387. The next prime is 204212413. The reversal of 204212401 is 104212402.

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

It is a cyclic number.

It is not a de Polignac number, because 204212401 - 2²⁵ = 170657969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204212441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23115 + ... + 30703.

It is an arithmetic number, because the mean of its divisors is an integer number (25957800).

Almost surely, 2^204212401 is an apocalyptic number.

It is an amenable number.

204212401 is a deficient number, since it is larger than the sum of its proper divisors (3449999).

204212401 is an equidigital number, since it uses as much as digits as its factorization.

204212401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8039.

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

The square root of 204212401 is about 14290.2904449140. The cubic root of 204212401 is about 588.8807671691.

Adding to 204212401 its reverse (104212402), we get a palindrome (308424803).

Subtracting from 204212401 its reverse (104212402), we obtain a palindrome (99999999).

It can be divided in two parts, 20421 and 2401, that added together give a palindrome (22822).

The spelling of 204212401 in words is "two hundred four million, two hundred twelve thousand, four hundred one".