331221312120000 has 280 divisors, whose sum is σ = 1118394854286336. Its totient is φ = 86446411904000.

The previous prime is 331221312119983. The next prime is 331221312120037. The reversal of 331221312120000 is 21213122133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23723592 + ... + 35003591.

Almost surely, 2^{331221312120000} is an apocalyptic number.

331221312120000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331221312120000 is an abundant number, since it is smaller than the sum of its proper divisors (787173542166336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331221312120000 is an equidigital number, since it uses as much as digits as its factorization.

331221312120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58727265 (or 58727240 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 331221312120000 its reverse (21213122133), we get a palindrome (331242525242133).

The spelling of 331221312120000 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, three hundred twelve million, one hundred twenty thousand".