12102231332312 has 64 divisors (see below), whose sum is σ = 24778308240000. Its totient is φ = 5495739943680.

The previous prime is 12102231332311. The next prime is 12102231332339. The reversal of 12102231332312 is 21323313220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102231332311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566069639 + ... + 566091017.

It is an arithmetic number, because the mean of its divisors is an integer number (387161066250).

Almost surely, 2^{12102231332312} is an apocalyptic number.

It is an amenable number.

12102231332312 is an abundant number, since it is smaller than the sum of its proper divisors (12676076907688).

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

12102231332312 is a wasteful number, since it uses less digits than its factorization.

12102231332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27264 (or 27260 counting only the distinct ones).

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

Adding to 12102231332312 its reverse (21323313220121), we get a palindrome (33425544552433).

The spelling of 12102231332312 in words is "twelve trillion, one hundred two billion, two hundred thirty-one million, three hundred thirty-two thousand, three hundred twelve".