331321202012 has 12 divisors (see below), whose sum is σ = 579923706600. Its totient is φ = 165628714416.

The previous prime is 331321201963. The next prime is 331321202063. The reversal of 331321202012 is 210202123133.

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, 7948262 + ... + 7989837.

It is an arithmetic number, because the mean of its divisors is an integer number (48326975550).

Almost surely, 2^331321202012 is an apocalyptic number.

It is an amenable number.

331321202012 is a deficient number, since it is larger than the sum of its proper divisors (248602504588).

331321202012 is a wasteful number, since it uses less digits than its factorization.

331321202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943300 (or 15943298 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 331321202012 its reverse (210202123133), we get a palindrome (541523325145).

The spelling of 331321202012 in words is "three hundred thirty-one billion, three hundred twenty-one million, two hundred two thousand, twelve".