12007750309 has 2 divisors, whose sum is σ = 12007750310. Its totient is φ = 12007750308.

The previous prime is 12007750289. The next prime is 12007750333. The reversal of 12007750309 is 90305770021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7517410209 + 4490340100 = 86703^2 + 67010^2 .

It is a cyclic number.

It is not a de Polignac number, because 12007750309 - 2²⁹ = 11470879397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12007750009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6003875154 + 6003875155.

It is an arithmetic number, because the mean of its divisors is an integer number (6003875155).

Almost surely, 2^12007750309 is an apocalyptic number.

It is an amenable number.

12007750309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12007750309 is an equidigital number, since it uses as much as digits as its factorization.

12007750309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The spelling of 12007750309 in words is "twelve billion, seven million, seven hundred fifty thousand, three hundred nine".