3213212017 has 4 divisors (see below), whose sum is σ = 3213424116. Its totient is φ = 3212999920.

The previous prime is 3213212003. The next prime is 3213212021. The reversal of 3213212017 is 7102123123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7102123123 = 439 ⋅16177957.

It can be written as a sum of positive squares in 2 ways, for example, as 27625536 + 3185586481 = 5256^2 + 56441^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213212017 - 2⁷ = 3213211889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213212047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81418 + ... + 114259.

It is an arithmetic number, because the mean of its divisors is an integer number (803356029).

Almost surely, 2^3213212017 is an apocalyptic number.

It is an amenable number.

3213212017 is a deficient number, since it is larger than the sum of its proper divisors (212099).

3213212017 is a wasteful number, since it uses less digits than its factorization.

3213212017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212098.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 3213212017 is about 56685.2010404832. The cubic root of 3213212017 is about 1475.6378766664.

The spelling of 3213212017 in words is "three billion, two hundred thirteen million, two hundred twelve thousand, seventeen".