12070861717 has 2 divisors, whose sum is σ = 12070861718. Its totient is φ = 12070861716.

The previous prime is 12070861697. The next prime is 12070861741. The reversal of 12070861717 is 71716807021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12070537956 + 323761 = 109866^2 + 569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12070861717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12070861717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12070864717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6035430858 + 6035430859.

It is an arithmetic number, because the mean of its divisors is an integer number (6035430859).

Almost surely, 2^12070861717 is an apocalyptic number.

It is an amenable number.

12070861717 is a deficient number, since it is larger than the sum of its proper divisors (1).

12070861717 is an equidigital number, since it uses as much as digits as its factorization.

12070861717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 40.

The spelling of 12070861717 in words is "twelve billion, seventy million, eight hundred sixty-one thousand, seven hundred seventeen".