321364415206120 has 128 divisors (see below), whose sum is σ = 849551692227840. Its totient is φ = 107861565911040.

The previous prime is 321364415206049. The next prime is 321364415206151. The reversal of 321364415206120 is 21602514463123.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66340464 + ... + 71019616.

It is an arithmetic number, because the mean of its divisors is an integer number (6637122595530).

Almost surely, 2^{321364415206120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321364415206120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424775846113920).

321364415206120 is an abundant number, since it is smaller than the sum of its proper divisors (528187277021720).

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

321364415206120 is a wasteful number, since it uses less digits than its factorization.

321364415206120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691195 (or 4691191 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 321364415206120 its reverse (21602514463123), we get a palindrome (342966929669243).

The spelling of 321364415206120 in words is "three hundred twenty-one trillion, three hundred sixty-four billion, four hundred fifteen million, two hundred six thousand, one hundred twenty".