12102301312 has 16 divisors (see below), whose sum is σ = 24110053650. Its totient is φ = 6051150592.

The previous prime is 12102301291. The next prime is 12102301349. The reversal of 12102301312 is 21310320121.

It can be written as a sum of positive squares in only one way, i.e., 12024438336 + 77862976 = 109656^2 + 8824^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47274487 + ... + 47274742.

Almost surely, 2^12102301312 is an apocalyptic number.

It is an amenable number.

12102301312 is a deficient number, since it is larger than the sum of its proper divisors (12007752338).

12102301312 is an frugal number, since it uses more digits than its factorization.

12102301312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94549243 (or 94549231 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12102301312 its reverse (21310320121), we get a palindrome (33412621433).

The spelling of 12102301312 in words is "twelve billion, one hundred two million, three hundred one thousand, three hundred twelve".