12102253205312 has 14 divisors (see below), whose sum is σ = 24015408704418. Its totient is φ = 6051126602624.

The previous prime is 12102253205293. The next prime is 12102253205381. The reversal of 12102253205312 is 21350235220121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10456841559616 + 1645411645696 = 3233704^2 + 1282736^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94548853103 + ... + 94548853230.

Almost surely, 2^{12102253205312} is an apocalyptic number.

It is an amenable number.

12102253205312 is a deficient number, since it is larger than the sum of its proper divisors (11913155499106).

12102253205312 is an equidigital number, since it uses as much as digits as its factorization.

12102253205312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189097706345 (or 189097706335 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 12102253205312 its reverse (21350235220121), we get a palindrome (33452488425433).

The spelling of 12102253205312 in words is "twelve trillion, one hundred two billion, two hundred fifty-three million, two hundred five thousand, three hundred twelve".