12530562066 has 24 divisors (see below), whose sum is σ = 29617692624. Its totient is φ = 3797139960.

The previous prime is 12530562059. The next prime is 12530562089. The reversal of 12530562066 is 66026503521.

It is a happy number.

12530562066 is a `hidden beast` number, since 1 + 2 + 5 + 30 + 562 + 0 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12530562066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31642636 + ... + 31643031.

It is an arithmetic number, because the mean of its divisors is an integer number (1234070526).

Almost surely, 2^12530562066 is an apocalyptic number.

12530562066 is an abundant number, since it is smaller than the sum of its proper divisors (17087130558).

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

12530562066 is a wasteful number, since it uses less digits than its factorization.

12530562066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63285686 (or 63285683 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 12530562066 in words is "twelve billion, five hundred thirty million, five hundred sixty-two thousand, sixty-six".