12185436004309 has 8 divisors (see below), whose sum is σ = 12340839692160. Its totient is φ = 12030061258176.

The previous prime is 12185436004283. The next prime is 12185436004363. The reversal of 12185436004309 is 90340063458121.

It is a happy number.

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 12185436004309 - 2⁵ = 12185436004277 is a prime.

It is a super-2 number, since 2×12185436004309² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12180436004309) by changing a digit.

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, 6387364 + ... + 8072749.

It is an arithmetic number, because the mean of its divisors is an integer number (1542604961520).

Almost surely, 2^{12185436004309} is an apocalyptic number.

It is an amenable number.

12185436004309 is a deficient number, since it is larger than the sum of its proper divisors (155403687851).

12185436004309 is a wasteful number, since it uses less digits than its factorization.

12185436004309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14470859.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 12185436004309 in words is "twelve trillion, one hundred eighty-five billion, four hundred thirty-six million, four thousand, three hundred nine".