12101323057 has 2 divisors, whose sum is σ = 12101323058. Its totient is φ = 12101323056.

The previous prime is 12101323051. The next prime is 12101323081. The reversal of 12101323057 is 75032310121.

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., 11924858401 + 176464656 = 109201^2 + 13284^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101323057 - 2⁷ = 12101322929 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101323051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050661528 + 6050661529.

It is an arithmetic number, because the mean of its divisors is an integer number (6050661529).

Almost surely, 2^12101323057 is an apocalyptic number.

It is an amenable number.

12101323057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101323057 is an equidigital number, since it uses as much as digits as its factorization.

12101323057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 12101323057 its reverse (75032310121), we get a palindrome (87133633178).

The spelling of 12101323057 in words is "twelve billion, one hundred one million, three hundred twenty-three thousand, fifty-seven".