12432015131573 has 2 divisors, whose sum is σ = 12432015131574. Its totient is φ = 12432015131572.

The previous prime is 12432015131539. The next prime is 12432015131647. The reversal of 12432015131573 is 37513151023421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10952247498724 + 1479767632849 = 3309418^2 + 1216457^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432015131573 - 2⁸ = 12432015131317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432015131533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216007565786 + 6216007565787.

It is an arithmetic number, because the mean of its divisors is an integer number (6216007565787).

Almost surely, 2^{12432015131573} is an apocalyptic number.

It is an amenable number.

12432015131573 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432015131573 is an equidigital number, since it uses as much as digits as its factorization.

12432015131573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 12432015131573 its reverse (37513151023421), we get a palindrome (49945166154994).

The spelling of 12432015131573 in words is "twelve trillion, four hundred thirty-two billion, fifteen million, one hundred thirty-one thousand, five hundred seventy-three".