331230111143212 has 24 divisors (see below), whose sum is σ = 579777870672000. Its totient is φ = 165579292010496.

The previous prime is 331230111143189. The next prime is 331230111143257. The reversal of 331230111143212 is 212341111032133.

It is a happy 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, 2252748114 + ... + 2252895142.

It is an arithmetic number, because the mean of its divisors is an integer number (24157411278000).

Almost surely, 2^{331230111143212} is an apocalyptic number.

It is an amenable number.

331230111143212 is a deficient number, since it is larger than the sum of its proper divisors (248547759528788).

331230111143212 is a wasteful number, since it uses less digits than its factorization.

331230111143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264825 (or 264823 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 331230111143212 its reverse (212341111032133), we get a palindrome (543571222175345).

The spelling of 331230111143212 in words is "three hundred thirty-one trillion, two hundred thirty billion, one hundred eleven million, one hundred forty-three thousand, two hundred twelve".