321133112021312 has 14 divisors (see below), whose sum is σ = 637248519167418. Its totient is φ = 160566556010624.

The previous prime is 321133112021299. The next prime is 321133112021461. The reversal of 321133112021312 is 213120211331123.

It can be written as a sum of positive squares in only one way, i.e., 275936749486336 + 45196362534976 = 16611344^2 + 6722824^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508852437603 + ... + 2508852437730.

Almost surely, 2^{321133112021312} is an apocalyptic number.

321133112021312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321133112021312 is a deficient number, since it is larger than the sum of its proper divisors (316115407146106).

321133112021312 is an equidigital number, since it uses as much as digits as its factorization.

321133112021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017704875345 (or 5017704875335 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 321133112021312 its reverse (213120211331123), we get a palindrome (534253323352435).

The spelling of 321133112021312 in words is "three hundred twenty-one trillion, one hundred thirty-three billion, one hundred twelve million, twenty-one thousand, three hundred twelve".