12530162866 has 16 divisors (see below), whose sum is σ = 20572855128. Its totient is φ = 5688345600.

The previous prime is 12530162837. The next prime is 12530162867. The reversal of 12530162866 is 66826103521.

It can be written as a sum of positive squares in 4 ways, for example, as 9295852225 + 3234310641 = 96415^2 + 56871^2 .

It is not an unprimeable number, because it can be changed into a prime (12530162867) 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, 3948655 + ... + 3951826.

Almost surely, 2^12530162866 is an apocalyptic number.

12530162866 is a deficient number, since it is larger than the sum of its proper divisors (8042692262).

12530162866 is a wasteful number, since it uses less digits than its factorization.

12530162866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900557.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 12530162866 in words is "twelve billion, five hundred thirty million, one hundred sixty-two thousand, eight hundred sixty-six".