12011111950069 has 2 divisors, whose sum is σ = 12011111950070. Its totient is φ = 12011111950068.

The previous prime is 12011111950049. The next prime is 12011111950109. The reversal of 12011111950069 is 96005911111021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9962621075044 + 2048490875025 = 3156362^2 + 1431255^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011111950069 - 2⁴¹ = 9812088694517 is a prime.

It is a super-2 number, since 2×12011111950069² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011111950049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005555975034 + 6005555975035.

It is an arithmetic number, because the mean of its divisors is an integer number (6005555975035).

Almost surely, 2^{12011111950069} is an apocalyptic number.

It is an amenable number.

12011111950069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011111950069 is an equidigital number, since it uses as much as digits as its factorization.

12011111950069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 37.

The spelling of 12011111950069 in words is "twelve trillion, eleven billion, one hundred eleven million, nine hundred fifty thousand, sixty-nine".