321535243012 has 12 divisors (see below), whose sum is σ = 562779831376. Its totient is φ = 160741005480.

The previous prime is 321535242953. The next prime is 321535243031. The reversal of 321535243012 is 210342535123.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6626814 + ... + 6675157.

Almost surely, 2^321535243012 is an apocalyptic number.

It is an amenable number.

321535243012 is a deficient number, since it is larger than the sum of its proper divisors (241244588364).

321535243012 is a wasteful number, since it uses less digits than its factorization.

321535243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308018 (or 13308016 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 321535243012 its reverse (210342535123), we get a palindrome (531877778135).

The spelling of 321535243012 in words is "three hundred twenty-one billion, five hundred thirty-five million, two hundred forty-three thousand, twelve".