331121330222012 has 12 divisors (see below), whose sum is σ = 632140721333016. Its totient is φ = 150509695555440.

The previous prime is 331121330221961. The next prime is 331121330222027. The reversal of 331121330222012 is 210222033121133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3762742388843 + ... + 3762742388930.

It is an arithmetic number, because the mean of its divisors is an integer number (52678393444418).

Almost surely, 2^{331121330222012} is an apocalyptic number.

It is an amenable number.

331121330222012 is a deficient number, since it is larger than the sum of its proper divisors (301019391111004).

331121330222012 is a wasteful number, since it uses less digits than its factorization.

331121330222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525484777788 (or 7525484777786 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 331121330222012 its reverse (210222033121133), we get a palindrome (541343363343145).

The spelling of 331121330222012 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, three hundred thirty million, two hundred twenty-two thousand, twelve".