12117505496836 has 24 divisors (see below), whose sum is σ = 21345688151480. Its totient is φ = 6018860390400.

The previous prime is 12117505496827. The next prime is 12117505496851. The reversal of 12117505496836 is 63869450571121.

It can be written as a sum of positive squares in 4 ways, for example, as 9415078560000 + 2702426936836 = 3068400^2 + 1643906^2 .

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, 14972505 + ... + 15761056.

It is a 1-persistent number, because it is pandigital, but 2⋅12117505496836 = 24235010993672 is not.

Almost surely, 2^{12117505496836} is an apocalyptic number.

It is an amenable number.

12117505496836 is a deficient number, since it is larger than the sum of its proper divisors (9228182654644).

12117505496836 is a wasteful number, since it uses less digits than its factorization.

12117505496836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30734215 (or 30734213 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 12117505496836 in words is "twelve trillion, one hundred seventeen billion, five hundred five million, four hundred ninety-six thousand, eight hundred thirty-six".