12665505130 has 16 divisors (see below), whose sum is σ = 23138177760. Its totient is φ = 4990586832.

The previous prime is 12665505109. The next prime is 12665505131. The reversal of 12665505130 is 3150556621.

It is not an unprimeable number, because it can be changed into a prime (12665505131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9451200 + ... + 9452539.

It is an arithmetic number, because the mean of its divisors is an integer number (1446136110).

Almost surely, 2^12665505130 is an apocalyptic number.

12665505130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12665505130 is a deficient number, since it is larger than the sum of its proper divisors (10472672630).

12665505130 is a wasteful number, since it uses less digits than its factorization.

12665505130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18903813.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 12665505130 in words is "twelve billion, six hundred sixty-five million, five hundred five thousand, one hundred thirty".