321214612 has 12 divisors (see below), whose sum is σ = 577318420. Its totient is φ = 156266496.

The previous prime is 321214603. The next prime is 321214613. The reversal of 321214612 is 216412123.

It can be written as a sum of positive squares in 2 ways, for example, as 114832656 + 206381956 = 10716^2 + 14366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321214613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085037 + ... + 1085332.

Almost surely, 2^321214612 is an apocalyptic number.

It is an amenable number.

321214612 is a deficient number, since it is larger than the sum of its proper divisors (256103808).

321214612 is a wasteful number, since it uses less digits than its factorization.

321214612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170410 (or 2170408 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 321214612 is about 17922.4611033195. The cubic root of 321214612 is about 684.8546849299.

Adding to 321214612 its reverse (216412123), we get a palindrome (537626735).

The spelling of 321214612 in words is "three hundred twenty-one million, two hundred fourteen thousand, six hundred twelve".