321870230712 has 80 divisors (see below), whose sum is σ = 923523400800. Its totient is φ = 104673237120.

The previous prime is 321870230687. The next prime is 321870230719. The reversal of 321870230712 is 217032078123.

It is a super-3 number, since 3×321870230712³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321870230719) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6030912 + ... + 6084047.

It is an arithmetic number, because the mean of its divisors is an integer number (11544042510).

Almost surely, 2^321870230712 is an apocalyptic number.

It is an amenable number.

321870230712 is an abundant number, since it is smaller than the sum of its proper divisors (601653170088).

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

321870230712 is a wasteful number, since it uses less digits than its factorization.

321870230712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115018 (or 12115005 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 321870230712 in words is "three hundred twenty-one billion, eight hundred seventy million, two hundred thirty thousand, seven hundred twelve".