321012042010442 has 8 divisors (see below), whose sum is σ = 481915027621956. Its totient is φ = 160373699469792.

The previous prime is 321012042010421. The next prime is 321012042010447. The reversal of 321012042010442 is 244010240210123.

It can be written as a sum of positive squares in 2 ways, for example, as 298797118491001 + 22214923519441 = 17285749^2 + 4713271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×321012042010442² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321012042010447) 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, 66160764683 + ... + 66160769534.

Almost surely, 2^{321012042010442} is an apocalyptic number.

321012042010442 is a deficient number, since it is larger than the sum of its proper divisors (160902985611514).

321012042010442 is a wasteful number, since it uses less digits than its factorization.

321012042010442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132321535432.

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

Adding to 321012042010442 its reverse (244010240210123), we get a palindrome (565022282220565).

The spelling of 321012042010442 in words is "three hundred twenty-one trillion, twelve billion, forty-two million, ten thousand, four hundred forty-two".