321203124101042 has 16 divisors (see below), whose sum is σ = 483685237763640. Its totient is φ = 159974726565888.

The previous prime is 321203124101011. The next prime is 321203124101059. The reversal of 321203124101042 is 240101421302123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 320584763624161 + 618360476881 = 17904881^2 + 786359^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39438998 + ... + 46881134.

Almost surely, 2^{321203124101042} is an apocalyptic number.

321203124101042 is a deficient number, since it is larger than the sum of its proper divisors (162482113662598).

321203124101042 is a wasteful number, since it uses less digits than its factorization.

321203124101042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526365.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 321203124101042 its reverse (240101421302123), we get a palindrome (561304545403165).

The spelling of 321203124101042 in words is "three hundred twenty-one trillion, two hundred three billion, one hundred twenty-four million, one hundred one thousand, forty-two".