321214333312 has 16 divisors (see below), whose sum is σ = 639919179900. Its totient is φ = 160607166592.

The previous prime is 321214333303. The next prime is 321214333339. The reversal of 321214333312 is 213333412123.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×321214333312³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254743362 + ... + 1254743617.

Almost surely, 2^321214333312 is an apocalyptic number.

321214333312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321214333312 is a deficient number, since it is larger than the sum of its proper divisors (318704846588).

321214333312 is an equidigital number, since it uses as much as digits as its factorization.

321214333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509486993 (or 2509486981 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

Adding to 321214333312 its reverse (213333412123), we get a palindrome (534547745435).

The spelling of 321214333312 in words is "three hundred twenty-one billion, two hundred fourteen million, three hundred thirty-three thousand, three hundred twelve".