321366386712 has 192 divisors, whose sum is σ = 955336343040. Its totient is φ = 89783904000.

The previous prime is 321366386699. The next prime is 321366386779. The reversal of 321366386712 is 217683663123.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

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 47 ways as a sum of consecutive naturals, for example, 86830462 + ... + 86834162.

It is an arithmetic number, because the mean of its divisors is an integer number (4975710120).

Almost surely, 2^321366386712 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 321366386712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477668171520).

321366386712 is an abundant number, since it is smaller than the sum of its proper divisors (633969956328).

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

321366386712 is a wasteful number, since it uses less digits than its factorization.

321366386712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342 (or 5331 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The spelling of 321366386712 in words is "three hundred twenty-one billion, three hundred sixty-six million, three hundred eighty-six thousand, seven hundred twelve".