321213141200442 has 32 divisors (see below), whose sum is σ = 652979100412800. Its totient is φ = 105319209623040.

The previous prime is 321213141200407. The next prime is 321213141200453. The reversal of 321213141200442 is 244002141312123.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870510067 + ... + 870878982.

It is an arithmetic number, because the mean of its divisors is an integer number (20405596887900).

Almost surely, 2^{321213141200442} is an apocalyptic number.

321213141200442 is an abundant number, since it is smaller than the sum of its proper divisors (331765959212358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321213141200442 is a wasteful number, since it uses less digits than its factorization.

321213141200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741389558.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 321213141200442 its reverse (244002141312123), we get a palindrome (565215282512565).

The spelling of 321213141200442 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred forty-one million, two hundred thousand, four hundred forty-two".