12452340533 has 2 divisors, whose sum is σ = 12452340534. Its totient is φ = 12452340532.

The previous prime is 12452340503. The next prime is 12452340539. The reversal of 12452340533 is 33504325421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6949223044 + 5503117489 = 83362^2 + 74183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12452340533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12452340533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12452340539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226170266 + 6226170267.

It is an arithmetic number, because the mean of its divisors is an integer number (6226170267).

Almost surely, 2^12452340533 is an apocalyptic number.

It is an amenable number.

12452340533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452340533 is an equidigital number, since it uses as much as digits as its factorization.

12452340533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 12452340533 its reverse (33504325421), we get a palindrome (45956665954).

The spelling of 12452340533 in words is "twelve billion, four hundred fifty-two million, three hundred forty thousand, five hundred thirty-three".