12087742924617 has 4 divisors (see below), whose sum is σ = 16116990566160. Its totient is φ = 8058495283076.

The previous prime is 12087742924547. The next prime is 12087742924693. The reversal of 12087742924617 is 71642924778021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12087742924617 - 2⁷ = 12087742924489 is a prime.

It is a super-2 number, since 2×12087742924617² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12087742924217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014623820767 + ... + 2014623820772.

It is an arithmetic number, because the mean of its divisors is an integer number (4029247641540).

Almost surely, 2^{12087742924617} is an apocalyptic number.

It is an amenable number.

12087742924617 is a deficient number, since it is larger than the sum of its proper divisors (4029247641543).

12087742924617 is an equidigital number, since it uses as much as digits as its factorization.

12087742924617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029247641542.

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 12087742924617 in words is "twelve trillion, eighty-seven billion, seven hundred forty-two million, nine hundred twenty-four thousand, six hundred seventeen".