12075032261 has 2 divisors, whose sum is σ = 12075032262. Its totient is φ = 12075032260.

The previous prime is 12075032219. The next prime is 12075032279. The reversal of 12075032261 is 16223057021.

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., 6669988900 + 5405043361 = 81670^2 + 73519^2 .

It is an emirp because it is prime and its reverse (16223057021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12075032261 - 2⁶ = 12075032197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12075032201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6037516130 + 6037516131.

It is an arithmetic number, because the mean of its divisors is an integer number (6037516131).

Almost surely, 2^12075032261 is an apocalyptic number.

It is an amenable number.

12075032261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12075032261 is an equidigital number, since it uses as much as digits as its factorization.

12075032261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 12075032261 its reverse (16223057021), we get a palindrome (28298089282).

The spelling of 12075032261 in words is "twelve billion, seventy-five million, thirty-two thousand, two hundred sixty-one".