12125288136 has 64 divisors (see below), whose sum is σ = 33770721600. Its totient is φ = 3602204928.

The previous prime is 12125288129. The next prime is 12125288207. The reversal of 12125288136 is 63188252121.

12125288136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12125288136² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 12125288094 and 12125288103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661006 + ... + 679101.

It is an arithmetic number, because the mean of its divisors is an integer number (527667525).

Almost surely, 2^12125288136 is an apocalyptic number.

It is an amenable number.

12125288136 is an abundant number, since it is smaller than the sum of its proper divisors (21645433464).

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

12125288136 is a wasteful number, since it uses less digits than its factorization.

12125288136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340158 (or 1340154 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The spelling of 12125288136 in words is "twelve billion, one hundred twenty-five million, two hundred eighty-eight thousand, one hundred thirty-six".