3213212330 has 32 divisors (see below), whose sum is σ = 6129962064. Its totient is φ = 1208503296.

The previous prime is 3213212323. The next prime is 3213212339. The reversal of 3213212330 is 332123123.

It can be written as a sum of positive squares in 8 ways, for example, as 1984078849 + 1229133481 = 44543^2 + 35059^2 .

It is not an unprimeable number, because it can be changed into a prime (3213212339) 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 15 ways as a sum of consecutive naturals, for example, 177164 + ... + 194456.

Almost surely, 2^3213212330 is an apocalyptic number.

3213212330 is a deficient number, since it is larger than the sum of its proper divisors (2916749734).

3213212330 is a wasteful number, since it uses less digits than its factorization.

3213212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18410.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3213212330 is about 56685.2038013448. The cubic root of 3213212330 is about 1475.6379245805.

Adding to 3213212330 its reverse (332123123), we get a palindrome (3545335453).

The spelling of 3213212330 in words is "three billion, two hundred thirteen million, two hundred twelve thousand, three hundred thirty".