321412053242 has 12 divisors (see below), whose sum is σ = 560831235930. Its totient is φ = 137748022776.

The previous prime is 321412053241. The next prime is 321412053289. The reversal of 321412053242 is 242350214123.

It can be written as a sum of positive squares in only one way, i.e., 298704878521 + 22707174721 = 546539^2 + 150689^2 .

It is not an unprimeable number, because it can be changed into a prime (321412053241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1639857317 + ... + 1639857512.

Almost surely, 2^321412053242 is an apocalyptic number.

321412053242 is a deficient number, since it is larger than the sum of its proper divisors (239419182688).

321412053242 is a wasteful number, since it uses less digits than its factorization.

321412053242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279714845 (or 3279714838 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 321412053242 its reverse (242350214123), we get a palindrome (563762267365).

The spelling of 321412053242 in words is "three hundred twenty-one billion, four hundred twelve million, fifty-three thousand, two hundred forty-two".