12004123057 has 2 divisors, whose sum is σ = 12004123058. Its totient is φ = 12004123056.

The previous prime is 12004122997. The next prime is 12004123073. The reversal of 12004123057 is 75032140021.

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., 9801792016 + 2202331041 = 99004^2 + 46929^2 .

It is a cyclic number.

It is not a de Polignac number, because 12004123057 - 2⁷ = 12004122929 is a prime.

It is not a weakly prime, because it can be changed into another prime (12004163057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002061528 + 6002061529.

It is an arithmetic number, because the mean of its divisors is an integer number (6002061529).

Almost surely, 2^12004123057 is an apocalyptic number.

It is an amenable number.

12004123057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12004123057 is an equidigital number, since it uses as much as digits as its factorization.

12004123057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 12004123057 its reverse (75032140021), we get a palindrome (87036263078).

The spelling of 12004123057 in words is "twelve billion, four million, one hundred twenty-three thousand, fifty-seven".