321240112004402 has 8 divisors (see below), whose sum is σ = 482654006835456. Its totient is φ = 160355443059252.

The previous prime is 321240112004387. The next prime is 321240112004407. The reversal of 321240112004402 is 204400211042123.

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

It is not an unprimeable number, because it can be changed into a prime (321240112004407) 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, 132306469958 + ... + 132306472385.

It is an arithmetic number, because the mean of its divisors is an integer number (60331750854432).

Almost surely, 2^{321240112004402} is an apocalyptic number.

321240112004402 is a deficient number, since it is larger than the sum of its proper divisors (161413894831054).

321240112004402 is a wasteful number, since it uses less digits than its factorization.

321240112004402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264612942952.

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

Adding to 321240112004402 its reverse (204400211042123), we get a palindrome (525640323046525).

The spelling of 321240112004402 in words is "three hundred twenty-one trillion, two hundred forty billion, one hundred twelve million, four thousand, four hundred two".