12115500502 has 16 divisors (see below), whose sum is σ = 20877047712. Its totient is φ = 5165452800.

The previous prime is 12115500473. The next prime is 12115500511. The reversal of 12115500502 is 20500551121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2239249 + ... + 2244652.

It is an arithmetic number, because the mean of its divisors is an integer number (1304815482).

Almost surely, 2^12115500502 is an apocalyptic number.

12115500502 is a deficient number, since it is larger than the sum of its proper divisors (8761547210).

12115500502 is a wasteful number, since it uses less digits than its factorization.

12115500502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484103.

The product of its (nonzero) digits is 500, while the sum is 22.

The spelling of 12115500502 in words is "twelve billion, one hundred fifteen million, five hundred thousand, five hundred two".