321244123134242 has 64 divisors (see below), whose sum is σ = 632626533365760. Its totient is φ = 118527879052800.

The previous prime is 321244123134173. The next prime is 321244123134313. The reversal of 321244123134242 is 242431321442123.

It is a super-2 number, since 2×321244123134242² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 321244123134196 and 321244123134205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12993359 + ... + 28483602.

It is an arithmetic number, because the mean of its divisors is an integer number (9884789583840).

Almost surely, 2^{321244123134242} is an apocalyptic number.

321244123134242 is a deficient number, since it is larger than the sum of its proper divisors (311382410231518).

321244123134242 is a wasteful number, since it uses less digits than its factorization.

321244123134242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41479647.

The product of its digits is 221184, while the sum is 38.

Adding to 321244123134242 its reverse (242431321442123), we get a palindrome (563675444576365).

The spelling of 321244123134242 in words is "three hundred twenty-one trillion, two hundred forty-four billion, one hundred twenty-three million, one hundred thirty-four thousand, two hundred forty-two".