12140735866 has 16 divisors (see below), whose sum is σ = 21014757504. Its totient is φ = 5152655664.

The previous prime is 12140735857. The next prime is 12140735899. The reversal of 12140735866 is 66853704121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4208245 + ... + 4211128.

It is an arithmetic number, because the mean of its divisors is an integer number (1313422344).

Almost surely, 2^12140735866 is an apocalyptic number.

12140735866 is a deficient number, since it is larger than the sum of its proper divisors (8874021638).

12140735866 is a wasteful number, since it uses less digits than its factorization.

12140735866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8419485.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12140735866 in words is "twelve billion, one hundred forty million, seven hundred thirty-five thousand, eight hundred sixty-six".