12102323221312 has 28 divisors (see below), whose sum is σ = 25059701890656. Its totient is φ = 5788067626880.

The previous prime is 12102323221283. The next prime is 12102323221459. The reversal of 12102323221312 is 21312232320121.

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, 4110842014 + ... + 4110844957.

Almost surely, 2^{12102323221312} is an apocalyptic number.

It is an amenable number.

12102323221312 is an abundant number, since it is smaller than the sum of its proper divisors (12957378669344).

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

12102323221312 is an equidigital number, since it uses as much as digits as its factorization.

12102323221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8221687006 (or 8221686996 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12102323221312 its reverse (21312232320121), we get a palindrome (33414555541433).

The spelling of 12102323221312 in words is "twelve trillion, one hundred two billion, three hundred twenty-three million, two hundred twenty-one thousand, three hundred twelve".