12402130109 has 2 divisors, whose sum is σ = 12402130110. Its totient is φ = 12402130108.

The previous prime is 12402130093. The next prime is 12402130183. The reversal of 12402130109 is 90103120421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12377230009 + 24900100 = 111253^2 + 4990^2 .

It is a cyclic number.

It is not a de Polignac number, because 12402130109 - 2⁴ = 12402130093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12402130709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201065054 + 6201065055.

It is an arithmetic number, because the mean of its divisors is an integer number (6201065055).

Almost surely, 2^12402130109 is an apocalyptic number.

It is an amenable number.

12402130109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402130109 is an equidigital number, since it uses as much as digits as its factorization.

12402130109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 12402130109 in words is "twelve billion, four hundred two million, one hundred thirty thousand, one hundred nine".