12500134336 has 28 divisors (see below), whose sum is σ = 24983424760. Its totient is φ = 6205098240.

The previous prime is 12500134327. The next prime is 12500134379. The reversal of 12500134336 is 63343100521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693675 + ... + 711466.

It is an arithmetic number, because the mean of its divisors is an integer number (892265170).

Almost surely, 2^12500134336 is an apocalyptic number.

12500134336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12500134336 is a deficient number, since it is larger than the sum of its proper divisors (12483290424).

12500134336 is a wasteful number, since it uses less digits than its factorization.

12500134336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405292 (or 1405282 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 12500134336 its reverse (63343100521), we get a palindrome (75843234857).

The spelling of 12500134336 in words is "twelve billion, five hundred million, one hundred thirty-four thousand, three hundred thirty-six".