12205000057 has 2 divisors, whose sum is σ = 12205000058. Its totient is φ = 12205000056.

The previous prime is 12205000051. The next prime is 12205000097. The reversal of 12205000057 is 75000050221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8664631056 + 3540369001 = 93084^2 + 59501^2 .

It is a cyclic number.

It is not a de Polignac number, because 12205000057 - 2¹⁹ = 12204475769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12205000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102500028 + 6102500029.

It is an arithmetic number, because the mean of its divisors is an integer number (6102500029).

Almost surely, 2^12205000057 is an apocalyptic number.

It is an amenable number.

12205000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12205000057 is an equidigital number, since it uses as much as digits as its factorization.

12205000057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

Adding to 12205000057 its reverse (75000050221), we get a palindrome (87205050278).

The spelling of 12205000057 in words is "twelve billion, two hundred five million, fifty-seven", and thus it is an aban number.