331212332012 has 24 divisors (see below), whose sum is σ = 582666701232. Its totient is φ = 164736936000.

The previous prime is 331212331997. The next prime is 331212332051. The reversal of 331212332012 is 210233212133.

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, 1565762 + ... + 1764662.

It is an arithmetic number, because the mean of its divisors is an integer number (24277779218).

Almost surely, 2^331212332012 is an apocalyptic number.

It is an amenable number.

331212332012 is a deficient number, since it is larger than the sum of its proper divisors (251454369220).

331212332012 is a wasteful number, since it uses less digits than its factorization.

331212332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201089 (or 201087 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 331212332012 its reverse (210233212133), we get a palindrome (541445544145).

The spelling of 331212332012 in words is "three hundred thirty-one billion, two hundred twelve million, three hundred thirty-two thousand, twelve".