331210012 has 18 divisors (see below), whose sum is σ = 674249352. Its totient is φ = 141947064.

The previous prime is 331210001. The next prime is 331210021. The reversal of 331210012 is 210012133.

331210012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 331209974 and 331210001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 844728 + ... + 845119.

Almost surely, 2^331210012 is an apocalyptic number.

It is an amenable number.

331210012 is an abundant number, since it is smaller than the sum of its proper divisors (343039340).

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

331210012 is a wasteful number, since it uses less digits than its factorization.

331210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689865 (or 1689856 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 331210012 is about 18199.1761351991. The cubic root of 331210012 is about 691.8859084406.

Adding to 331210012 its reverse (210012133), we get a palindrome (541222145).

The spelling of 331210012 in words is "three hundred thirty-one million, two hundred ten thousand, twelve".