3205212213 has 8 divisors (see below), whose sum is σ = 4884132928. Its totient is φ = 1831549824.

The previous prime is 3205212191. The next prime is 3205212287. The reversal of 3205212213 is 3122125023.

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

It is not a de Polignac number, because 3205212213 - 2¹⁰ = 3205211189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 152629153 = 3205212213 / (3 + 2 + 0 + 5 + 2 + 1 + 2 + 2 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3205212213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205212293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76314556 + ... + 76314597.

It is an arithmetic number, because the mean of its divisors is an integer number (610516616).

Almost surely, 2^3205212213 is an apocalyptic number.

It is an amenable number.

3205212213 is a deficient number, since it is larger than the sum of its proper divisors (1678920715).

3205212213 is a wasteful number, since it uses less digits than its factorization.

3205212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152629163.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3205212213 is about 56614.5936398028. The cubic root of 3205212213 is about 1474.4122469897.

Adding to 3205212213 its reverse (3122125023), we get a palindrome (6327337236).

The spelling of 3205212213 in words is "three billion, two hundred five million, two hundred twelve thousand, two hundred thirteen".