12056522057 has 2 divisors, whose sum is σ = 12056522058. Its totient is φ = 12056522056.

The previous prime is 12056522017. The next prime is 12056522069. The reversal of 12056522057 is 75022565021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7524001081 + 4532520976 = 86741^2 + 67324^2 .

It is an emirp because it is prime and its reverse (75022565021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12056522057 - 2¹⁰ = 12056521033 is a prime.

It is a super-2 number, since 2×12056522057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12056522017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6028261028 + 6028261029.

It is an arithmetic number, because the mean of its divisors is an integer number (6028261029).

Almost surely, 2^12056522057 is an apocalyptic number.

It is an amenable number.

12056522057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12056522057 is an equidigital number, since it uses as much as digits as its factorization.

12056522057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 12056522057 in words is "twelve billion, fifty-six million, five hundred twenty-two thousand, fifty-seven".