12432100133 has 2 divisors, whose sum is σ = 12432100134. Its totient is φ = 12432100132.

The previous prime is 12432100127. The next prime is 12432100169. The reversal of 12432100133 is 33100123421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12429351169 + 2748964 = 111487^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432100133 - 2⁴ = 12432100117 is a prime.

It is a super-2 number, since 2×12432100133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432100123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216050066 + 6216050067.

It is an arithmetic number, because the mean of its divisors is an integer number (6216050067).

Almost surely, 2^12432100133 is an apocalyptic number.

It is an amenable number.

12432100133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432100133 is an equidigital number, since it uses as much as digits as its factorization.

12432100133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12432100133 its reverse (33100123421), we get a palindrome (45532223554).

The spelling of 12432100133 in words is "twelve billion, four hundred thirty-two million, one hundred thousand, one hundred thirty-three".