331130213221012 has 24 divisors (see below), whose sum is σ = 584898210925056. Its totient is φ = 164016463310208.

The previous prime is 331130213221001. The next prime is 331130213221063. The reversal of 331130213221012 is 210122312031133.

It is a super-3 number, since 3×331130213221012³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51885133 + ... + 57916555.

It is an arithmetic number, because the mean of its divisors is an integer number (24370758788544).

Almost surely, 2^{331130213221012} is an apocalyptic number.

It is an amenable number.

331130213221012 is a deficient number, since it is larger than the sum of its proper divisors (253767997704044).

331130213221012 is a wasteful number, since it uses less digits than its factorization.

331130213221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159807 (or 6159805 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 331130213221012 its reverse (210122312031133), we get a palindrome (541252525252145).

The spelling of 331130213221012 in words is "three hundred thirty-one trillion, one hundred thirty billion, two hundred thirteen million, two hundred twenty-one thousand, twelve".