321103111412 has 24 divisors (see below), whose sum is σ = 590979250176. Its totient is φ = 152361826848.

The previous prime is 321103111369. The next prime is 321103111429. The reversal of 321103111412 is 214111301123.

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 7 ways as a sum of consecutive naturals, for example, 13729463 + ... + 13752830.

It is an arithmetic number, because the mean of its divisors is an integer number (24624135424).

Almost surely, 2^321103111412 is an apocalyptic number.

It is an amenable number.

321103111412 is a deficient number, since it is larger than the sum of its proper divisors (269876138764).

321103111412 is a wasteful number, since it uses less digits than its factorization.

321103111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27482447 (or 27482445 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 321103111412 its reverse (214111301123), we get a palindrome (535214412535).

The spelling of 321103111412 in words is "three hundred twenty-one billion, one hundred three million, one hundred eleven thousand, four hundred twelve".