12177475012 has 6 divisors (see below), whose sum is σ = 21310581278. Its totient is φ = 6088737504.

The previous prime is 12177474977. The next prime is 12177475019. The reversal of 12177475012 is 21057477121.

12177475012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8261719236 + 3915755776 = 90894^2 + 62576^2 .

It is not an unprimeable number, because it can be changed into a prime (12177475019) by changing a digit.

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 as a sum of consecutive naturals, namely, 1522184373 + ... + 1522184380.

Almost surely, 2^12177475012 is an apocalyptic number.

It is an amenable number.

12177475012 is a deficient number, since it is larger than the sum of its proper divisors (9133106266).

12177475012 is a wasteful number, since it uses less digits than its factorization.

12177475012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044368757 (or 3044368755 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 37.

The spelling of 12177475012 in words is "twelve billion, one hundred seventy-seven million, four hundred seventy-five thousand, twelve".