321043121012 has 12 divisors (see below), whose sum is σ = 562951368000. Its totient is φ = 160199873016.

The previous prime is 321043120967. The next prime is 321043121093. The reversal of 321043121012 is 210121340123.

It is a congruent number.

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, 80419628 + ... + 80423619.

It is an arithmetic number, because the mean of its divisors is an integer number (46912614000).

Almost surely, 2^321043121012 is an apocalyptic number.

It is an amenable number.

321043121012 is a deficient number, since it is larger than the sum of its proper divisors (241908246988).

321043121012 is a wasteful number, since it uses less digits than its factorization.

321043121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160843750 (or 160843748 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 321043121012 its reverse (210121340123), we get a palindrome (531164461135).

The spelling of 321043121012 in words is "three hundred twenty-one billion, forty-three million, one hundred twenty-one thousand, twelve".