12502149637 has 4 divisors (see below), whose sum is σ = 12503829196. Its totient is φ = 12500470080.

The previous prime is 12502149631. The next prime is 12502149659. The reversal of 12502149637 is 73694120521.

It is a happy number.

12502149637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7547960641 + 4954188996 = 86879^2 + 70386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12502149637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12502149637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12502149631) 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 3 ways as a sum of consecutive naturals, for example, 828564 + ... + 843517.

It is an arithmetic number, because the mean of its divisors is an integer number (3125957299).

Almost surely, 2^12502149637 is an apocalyptic number.

It is an amenable number.

12502149637 is a deficient number, since it is larger than the sum of its proper divisors (1679559).

12502149637 is an equidigital number, since it uses as much as digits as its factorization.

12502149637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679558.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 12502149637 in words is "twelve billion, five hundred two million, one hundred forty-nine thousand, six hundred thirty-seven".