12421030133 has 2 divisors, whose sum is σ = 12421030134. Its totient is φ = 12421030132.

The previous prime is 12421030123. The next prime is 12421030187. The reversal of 12421030133 is 33103012421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10971096049 + 1449934084 = 104743^2 + 38078^2 .

It is an emirp because it is prime and its reverse (33103012421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12421030133 - 2²⁶ = 12353921269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12421030123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210515066 + 6210515067.

It is an arithmetic number, because the mean of its divisors is an integer number (6210515067).

Almost surely, 2^12421030133 is an apocalyptic number.

It is an amenable number.

12421030133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421030133 is an equidigital number, since it uses as much as digits as its factorization.

12421030133 is an evil number, because the sum of its binary digits is even.

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

Adding to 12421030133 its reverse (33103012421), we get a palindrome (45524042554).

The spelling of 12421030133 in words is "twelve billion, four hundred twenty-one million, thirty thousand, one hundred thirty-three".