12242432057 has 2 divisors, whose sum is σ = 12242432058. Its totient is φ = 12242432056.

The previous prime is 12242432029. The next prime is 12242432101. The reversal of 12242432057 is 75023424221.

12242432057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11949987856 + 292444201 = 109316^2 + 17101^2 .

It is an emirp because it is prime and its reverse (75023424221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12242432057 - 2⁸ = 12242431801 is a prime.

It is a super-2 number, since 2×12242432057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12242032057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121216028 + 6121216029.

It is an arithmetic number, because the mean of its divisors is an integer number (6121216029).

Almost surely, 2^12242432057 is an apocalyptic number.

It is an amenable number.

12242432057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242432057 is an equidigital number, since it uses as much as digits as its factorization.

12242432057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 12242432057 its reverse (75023424221), we get a palindrome (87265856278).

The spelling of 12242432057 in words is "twelve billion, two hundred forty-two million, four hundred thirty-two thousand, fifty-seven".