12050711081 has 2 divisors, whose sum is σ = 12050711082. Its totient is φ = 12050711080.

The previous prime is 12050711077. The next prime is 12050711117. The reversal of 12050711081 is 18011705021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10184039056 + 1866672025 = 100916^2 + 43205^2 .

It is an emirp because it is prime and its reverse (18011705021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12050711081 - 2² = 12050711077 is a prime.

It is a super-3 number, since 3×12050711081³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12050711081.

It is not a weakly prime, because it can be changed into another prime (12050711381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6025355540 + 6025355541.

It is an arithmetic number, because the mean of its divisors is an integer number (6025355541).

Almost surely, 2^12050711081 is an apocalyptic number.

It is an amenable number.

12050711081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12050711081 is an equidigital number, since it uses as much as digits as its factorization.

12050711081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 26.

The spelling of 12050711081 in words is "twelve billion, fifty million, seven hundred eleven thousand, eighty-one".