12502838635 has 16 divisors (see below), whose sum is σ = 17149683456. Its totient is φ = 8571908448.

The previous prime is 12502838633. The next prime is 12502838651. The reversal of 12502838635 is 53683820521.

It is a cyclic number.

It is not a de Polignac number, because 12502838635 - 2¹ = 12502838633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12502838591 and 12502838600.

It is not an unprimeable number, because it can be changed into a prime (12502838633) 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, 201864 + ... + 256426.

It is an arithmetic number, because the mean of its divisors is an integer number (1071855216).

Almost surely, 2^12502838635 is an apocalyptic number.

12502838635 is a deficient number, since it is larger than the sum of its proper divisors (4646844821).

12502838635 is an equidigital number, since it uses as much as digits as its factorization.

12502838635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61122.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 12502838635 in words is "twelve billion, five hundred two million, eight hundred thirty-eight thousand, six hundred thirty-five".