321213112412 has 6 divisors (see below), whose sum is σ = 562122946728. Its totient is φ = 160606556204.

The previous prime is 321213112403. The next prime is 321213112433. The reversal of 321213112412 is 214211312123.

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, 40151639048 + ... + 40151639055.

It is an arithmetic number, because the mean of its divisors is an integer number (93687157788).

Almost surely, 2^321213112412 is an apocalyptic number.

It is an amenable number.

321213112412 is a deficient number, since it is larger than the sum of its proper divisors (240909834316).

321213112412 is a wasteful number, since it uses less digits than its factorization.

321213112412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80303278107 (or 80303278105 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 321213112412 its reverse (214211312123), we get a palindrome (535424424535).

The spelling of 321213112412 in words is "three hundred twenty-one billion, two hundred thirteen million, one hundred twelve thousand, four hundred twelve".