321214423012 has 18 divisors (see below), whose sum is σ = 653900790102. Its totient is φ = 137663324064.

The previous prime is 321214422989. The next prime is 321214423081. The reversal of 321214423012 is 210324412123.

It can be written as a sum of positive squares in only one way, i.e., 263357817856 + 57856605156 = 513184^2 + 240534^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 819424353 + ... + 819424744.

Almost surely, 2^321214423012 is an apocalyptic number.

It is an amenable number.

321214423012 is an abundant number, since it is smaller than the sum of its proper divisors (332686367090).

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

321214423012 is a wasteful number, since it uses less digits than its factorization.

321214423012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638849115 (or 1638849106 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 321214423012 its reverse (210324412123), we get a palindrome (531538835135).

The spelling of 321214423012 in words is "three hundred twenty-one billion, two hundred fourteen million, four hundred twenty-three thousand, twelve".