321213334130432 has 72 divisors (see below), whose sum is σ = 641594026464720. Its totient is φ = 160500951613440.

The previous prime is 321213334130419. The next prime is 321213334130449. The reversal of 321213334130432 is 234031433312123.

It is a junction number, because it is equal to n+sod(n) for n = 321213334130392 and 321213334130401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7781121632 + ... + 7781162912.

Almost surely, 2^{321213334130432} is an apocalyptic number.

321213334130432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321213334130432 is a deficient number, since it is larger than the sum of its proper divisors (320380692334288).

321213334130432 is a wasteful number, since it uses less digits than its factorization.

321213334130432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60569 (or 60555 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 321213334130432 its reverse (234031433312123), we get a palindrome (555244767442555).

The spelling of 321213334130432 in words is "three hundred twenty-one trillion, two hundred thirteen billion, three hundred thirty-four million, one hundred thirty thousand, four hundred thirty-two".