321042212 has 24 divisors (see below), whose sum is σ = 596574720. Its totient is φ = 150646400.

The previous prime is 321042203. The next prime is 321042269. The reversal of 321042212 is 212240123.

321042212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17837 + ... + 30987.

It is an arithmetic number, because the mean of its divisors is an integer number (24857280).

Almost surely, 2^321042212 is an apocalyptic number.

It is an amenable number.

321042212 is a deficient number, since it is larger than the sum of its proper divisors (275532508).

321042212 is a wasteful number, since it uses less digits than its factorization.

321042212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13531 (or 13529 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 321042212 is about 17917.6508504882. The cubic root of 321042212 is about 684.7321395738.

Adding to 321042212 its reverse (212240123), we get a palindrome (533282335).

The spelling of 321042212 in words is "three hundred twenty-one million, forty-two thousand, two hundred twelve".