12600128312 has 64 divisors (see below), whose sum is σ = 25716787200. Its totient is φ = 5765627520.

The previous prime is 12600128311. The next prime is 12600128353. The reversal of 12600128312 is 21382100621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12600128311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3046598 + ... + 3050730.

It is an arithmetic number, because the mean of its divisors is an integer number (401824800).

Almost surely, 2^12600128312 is an apocalyptic number.

It is an amenable number.

12600128312 is an abundant number, since it is smaller than the sum of its proper divisors (13116658888).

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

12600128312 is a wasteful number, since it uses less digits than its factorization.

12600128312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836 (or 4832 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 12600128312 its reverse (21382100621), we get a palindrome (33982228933).

The spelling of 12600128312 in words is "twelve billion, six hundred million, one hundred twenty-eight thousand, three hundred twelve".