12301716691 has 16 divisors (see below), whose sum is σ = 13893378048. Its totient is φ = 10795464000.

The previous prime is 12301716677. The next prime is 12301716703. The reversal of 12301716691 is 19661710321.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12301716691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12301716691.

It is not an unprimeable number, because it can be changed into a prime (12301716671) 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, 125235 + ... + 200716.

It is an arithmetic number, because the mean of its divisors is an integer number (868336128).

Almost surely, 2^12301716691 is an apocalyptic number.

12301716691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12301716691 is a deficient number, since it is larger than the sum of its proper divisors (1591661357).

12301716691 is a wasteful number, since it uses less digits than its factorization.

12301716691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326082.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 12301716691 in words is "twelve billion, three hundred one million, seven hundred sixteen thousand, six hundred ninety-one".