321342012 has 24 divisors (see below), whose sum is σ = 833109200. Its totient is φ = 107113968.

The previous prime is 321341989. The next prime is 321342013. The reversal of 321342012 is 210243123.

321342012 is a `hidden beast` number, since 321 + 342 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321342013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487587 + ... + 1487802.

Almost surely, 2^321342012 is an apocalyptic number.

It is an amenable number.

321342012 is an abundant number, since it is smaller than the sum of its proper divisors (511767188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321342012 is a wasteful number, since it uses less digits than its factorization.

321342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975402 (or 2975394 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 321342012 is about 17926.0149503452. The cubic root of 321342012 is about 684.9452152182.

Adding to 321342012 its reverse (210243123), we get a palindrome (531585135).

The spelling of 321342012 in words is "three hundred twenty-one million, three hundred forty-two thousand, twelve".