12201808432505 has 8 divisors (see below), whose sum is σ = 14643347500872. Its totient is φ = 9760661824768.

The previous prime is 12201808432493. The next prime is 12201808432537. The reversal of 12201808432505 is 50523480810221.

It can be written as a sum of positive squares in 4 ways, for example, as 440386195456 + 11761422237049 = 663616^2 + 3429493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12201808432505 - 2⁶ = 12201808432441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98046752 + ... + 98171121.

It is an arithmetic number, because the mean of its divisors is an integer number (1830418437609).

Almost surely, 2^{12201808432505} is an apocalyptic number.

It is an amenable number.

12201808432505 is a deficient number, since it is larger than the sum of its proper divisors (2441539068367).

12201808432505 is a wasteful number, since it uses less digits than its factorization.

12201808432505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196230315.

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 12201808432505 in words is "twelve trillion, two hundred one billion, eight hundred eight million, four hundred thirty-two thousand, five hundred five".