12432004073 has 2 divisors, whose sum is σ = 12432004074. Its totient is φ = 12432004072.

The previous prime is 12432004009. The next prime is 12432004087. The reversal of 12432004073 is 37040023421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9270416089 + 3161587984 = 96283^2 + 56228^2 .

It is an emirp because it is prime and its reverse (37040023421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12432004073 - 2⁶ = 12432004009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12432004003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216002036 + 6216002037.

It is an arithmetic number, because the mean of its divisors is an integer number (6216002037).

Almost surely, 2^12432004073 is an apocalyptic number.

It is an amenable number.

12432004073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432004073 is an equidigital number, since it uses as much as digits as its factorization.

12432004073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 12432004073 its reverse (37040023421), we get a palindrome (49472027494).

The spelling of 12432004073 in words is "twelve billion, four hundred thirty-two million, four thousand, seventy-three".