12105663013 has 2 divisors, whose sum is σ = 12105663014. Its totient is φ = 12105663012.

The previous prime is 12105663007. The next prime is 12105663041. The reversal of 12105663013 is 31036650121.

It is an a-pointer prime, because the next prime (12105663041) can be obtained adding 12105663013 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12012598404 + 93064609 = 109602^2 + 9647^2 .

It is a cyclic number.

It is not a de Polignac number, because 12105663013 - 2⁵ = 12105662981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12105663043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052831506 + 6052831507.

It is an arithmetic number, because the mean of its divisors is an integer number (6052831507).

Almost surely, 2^12105663013 is an apocalyptic number.

It is an amenable number.

12105663013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12105663013 is an equidigital number, since it uses as much as digits as its factorization.

12105663013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 12105663013 in words is "twelve billion, one hundred five million, six hundred sixty-three thousand, thirteen".