12109992029 has 2 divisors, whose sum is σ = 12109992030. Its totient is φ = 12109992028.

The previous prime is 12109992001. The next prime is 12109992047. The reversal of 12109992029 is 92029990121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10707489529 + 1402502500 = 103477^2 + 37450^2 .

It is a cyclic number.

It is not a de Polignac number, because 12109992029 - 2²⁰ = 12108943453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12109992049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6054996014 + 6054996015.

It is an arithmetic number, because the mean of its divisors is an integer number (6054996015).

Almost surely, 2^12109992029 is an apocalyptic number.

It is an amenable number.

12109992029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12109992029 is an equidigital number, since it uses as much as digits as its factorization.

12109992029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 12109992029 in words is "twelve billion, one hundred nine million, nine hundred ninety-two thousand, twenty-nine".