3212205 has 8 divisors (see below), whose sum is σ = 5139552. Its totient is φ = 1713168.

The previous prime is 3212191. The next prime is 3212213. The reversal of 3212205 is 5022123.

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

It is not a de Polignac number, because 3212205 - 2⁵ = 3212173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 214147 = 3212205 / (3 + 2 + 1 + 2 + 2 + 0 + 5).

3212205 is a lucky number.

It is a congruent number.

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, 107059 + ... + 107088.

It is an arithmetic number, because the mean of its divisors is an integer number (642444).

Almost surely, 2^3212205 is an apocalyptic number.

It is an amenable number.

3212205 is a deficient number, since it is larger than the sum of its proper divisors (1927347).

3212205 is a wasteful number, since it uses less digits than its factorization.

3212205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214155.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3212205 is about 1792.2625365721. The cubic root of 3212205 is about 147.5483706148.

Adding to 3212205 its reverse (5022123), we get a palindrome (8234328).

The spelling of 3212205 in words is "three million, two hundred twelve thousand, two hundred five".