12047731142317 has 16 divisors (see below), whose sum is σ = 13024542706560. Its totient is φ = 11078076186432.

The previous prime is 12047731142273. The next prime is 12047731142347. The reversal of 12047731142317 is 71324113774021.

It is a cyclic number.

It is not a de Polignac number, because 12047731142317 - 2²³ = 12047722753709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047731142347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67672263 + ... + 67850059.

It is an arithmetic number, because the mean of its divisors is an integer number (814033919160).

Almost surely, 2^{12047731142317} is an apocalyptic number.

It is an amenable number.

12047731142317 is a deficient number, since it is larger than the sum of its proper divisors (976811564243).

12047731142317 is a wasteful number, since it uses less digits than its factorization.

12047731142317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197892.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 12047731142317 in words is "twelve trillion, forty-seven billion, seven hundred thirty-one million, one hundred forty-two thousand, three hundred seventeen".