12177725268 has 24 divisors (see below), whose sum is σ = 29650114368. Its totient is φ = 3882752896.

The previous prime is 12177725267. The next prime is 12177725279. The reversal of 12177725268 is 86252777121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12177725267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22060821 + ... + 22061372.

It is an arithmetic number, because the mean of its divisors is an integer number (1235421432).

Almost surely, 2^12177725268 is an apocalyptic number.

It is an amenable number.

12177725268 is an abundant number, since it is smaller than the sum of its proper divisors (17472389100).

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

12177725268 is a wasteful number, since it uses less digits than its factorization.

12177725268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44122223 (or 44122221 counting only the distinct ones).

The product of its digits is 658560, while the sum is 48.

The spelling of 12177725268 in words is "twelve billion, one hundred seventy-seven million, seven hundred twenty-five thousand, two hundred sixty-eight".