12057476680 has 64 divisors (see below), whose sum is σ = 27691910640. Its totient is φ = 4723310592.

The previous prime is 12057476671. The next prime is 12057476687. The reversal of 12057476680 is 8667475021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9706584484 + 2350892196 = 98522^2 + 48486^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12057476680.

It is not an unprimeable number, because it can be changed into a prime (12057476687) 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 15 ways as a sum of consecutive naturals, for example, 1218312 + ... + 1228168.

Almost surely, 2^12057476680 is an apocalyptic number.

12057476680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12057476680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13845955320).

12057476680 is an abundant number, since it is smaller than the sum of its proper divisors (15634433960).

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

12057476680 is a wasteful number, since it uses less digits than its factorization.

12057476680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10498 (or 10494 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 12057476680 in words is "twelve billion, fifty-seven million, four hundred seventy-six thousand, six hundred eighty".