12505679630 has 32 divisors (see below), whose sum is σ = 22998104064. Its totient is φ = 4893937056.

The previous prime is 12505679629. The next prime is 12505679639. The reversal of 12505679630 is 3697650521.

12505679630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505679639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245229 + ... + 2250791.

It is an arithmetic number, because the mean of its divisors is an integer number (718690752).

Almost surely, 2^12505679630 is an apocalyptic number.

12505679630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12505679630 is a deficient number, since it is larger than the sum of its proper divisors (10492424434).

12505679630 is a wasteful number, since it uses less digits than its factorization.

12505679630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 12505679630 in words is "twelve billion, five hundred five million, six hundred seventy-nine thousand, six hundred thirty".