321214421204 has 12 divisors (see below), whose sum is σ = 567690834228. Its totient is φ = 159017040000.

The previous prime is 321214421183. The next prime is 321214421207. The reversal of 321214421204 is 402124412123.

It can be written as a sum of positive squares in 2 ways, for example, as 313938331204 + 7276090000 = 560302^2 + 85300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321214421207) 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, 397542197 + ... + 397543004.

It is an arithmetic number, because the mean of its divisors is an integer number (47307569519).

Almost surely, 2^321214421204 is an apocalyptic number.

It is an amenable number.

321214421204 is a deficient number, since it is larger than the sum of its proper divisors (246476413024).

321214421204 is a wasteful number, since it uses less digits than its factorization.

321214421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795085306 (or 795085304 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 321214421204 its reverse (402124412123), we get a palindrome (723338833327).

The spelling of 321214421204 in words is "three hundred twenty-one billion, two hundred fourteen million, four hundred twenty-one thousand, two hundred four".