12057230261 has 2 divisors, whose sum is σ = 12057230262. Its totient is φ = 12057230260.

The previous prime is 12057230249. The next prime is 12057230279. The reversal of 12057230261 is 16203275021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11961796900 + 95433361 = 109370^2 + 9769^2 .

It is a cyclic number.

It is not a de Polignac number, because 12057230261 - 2¹⁰ = 12057229237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12057230461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6028615130 + 6028615131.

It is an arithmetic number, because the mean of its divisors is an integer number (6028615131).

Almost surely, 2^12057230261 is an apocalyptic number.

It is an amenable number.

12057230261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12057230261 is an equidigital number, since it uses as much as digits as its factorization.

12057230261 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.

The spelling of 12057230261 in words is "twelve billion, fifty-seven million, two hundred thirty thousand, two hundred sixty-one".