12805630510 has 32 divisors (see below), whose sum is σ = 23495005152. Its totient is φ = 5023474560.

The previous prime is 12805630483. The next prime is 12805630517. The reversal of 12805630510 is 1503650821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805630517) 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, 1945525 + ... + 1952095.

It is an arithmetic number, because the mean of its divisors is an integer number (734218911).

Almost surely, 2^12805630510 is an apocalyptic number.

12805630510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12805630510 is a deficient number, since it is larger than the sum of its proper divisors (10689374642).

12805630510 is a wasteful number, since it uses less digits than its factorization.

12805630510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10308.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 12805630510 in words is "twelve billion, eight hundred five million, six hundred thirty thousand, five hundred ten".