104212205 has 4 divisors (see below), whose sum is σ = 125054652. Its totient is φ = 83369760.

The previous prime is 104212187. The next prime is 104212243. The reversal of 104212205 is 502212401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 79192201 + 25020004 = 8899^2 + 5002^2 .

It is not a de Polignac number, because 104212205 - 2¹² = 104208109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10421216 + ... + 10421225.

It is an arithmetic number, because the mean of its divisors is an integer number (31263663).

Almost surely, 2^104212205 is an apocalyptic number.

It is an amenable number.

104212205 is a deficient number, since it is larger than the sum of its proper divisors (20842447).

104212205 is an equidigital number, since it uses as much as digits as its factorization.

104212205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20842446.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 104212205 is about 10208.4379314369. The cubic root of 104212205 is about 470.5865695912.

Adding to 104212205 its reverse (502212401), we get a palindrome (606424606).

The spelling of 104212205 in words is "one hundred four million, two hundred twelve thousand, two hundred five".