12040136305 has 8 divisors (see below), whose sum is σ = 14449129344. Its totient is φ = 9631465200.

The previous prime is 12040136261. The next prime is 12040136323. The reversal of 12040136305 is 50363104021.

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

It is not a de Polignac number, because 12040136305 - 2⁷ = 12040136177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12040136305.

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, 11320 + ... + 155590.

It is an arithmetic number, because the mean of its divisors is an integer number (1806141168).

Almost surely, 2^12040136305 is an apocalyptic number.

It is an amenable number.

12040136305 is a deficient number, since it is larger than the sum of its proper divisors (2408993039).

12040136305 is a wasteful number, since it uses less digits than its factorization.

12040136305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160967.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 12040136305 in words is "twelve billion, forty million, one hundred thirty-six thousand, three hundred five".