12525322437 has 16 divisors (see below), whose sum is σ = 18832991680. Its totient is φ = 8225583696.

The previous prime is 12525322423. The next prime is 12525322471. The reversal of 12525322437 is 73422352521.

It is not a de Polignac number, because 12525322437 - 2⁴ = 12525322421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525324437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3460138 + ... + 3463755.

It is an arithmetic number, because the mean of its divisors is an integer number (1177061980).

Almost surely, 2^12525322437 is an apocalyptic number.

It is an amenable number.

12525322437 is a deficient number, since it is larger than the sum of its proper divisors (6307669243).

12525322437 is an equidigital number, since it uses as much as digits as its factorization.

12525322437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6923969 (or 6923963 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

Adding to 12525322437 its reverse (73422352521), we get a palindrome (85947674958).

The spelling of 12525322437 in words is "twelve billion, five hundred twenty-five million, three hundred twenty-two thousand, four hundred thirty-seven".