321255505112 has 16 divisors (see below), whose sum is σ = 610605498840. Its totient is φ = 158427372096.

The previous prime is 321255505097. The next prime is 321255505121. The reversal of 321255505112 is 211505552123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275046938 + ... + 275048105.

Almost surely, 2^321255505112 is an apocalyptic number.

It is an amenable number.

321255505112 is a deficient number, since it is larger than the sum of its proper divisors (289349993728).

321255505112 is a wasteful number, since it uses less digits than its factorization.

321255505112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550095122 (or 550095118 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 321255505112 in words is "three hundred twenty-one billion, two hundred fifty-five million, five hundred five thousand, one hundred twelve".