12525212423441 has 4 divisors (see below), whose sum is σ = 12525219850992. Its totient is φ = 12525204995892.

The previous prime is 12525212423431. The next prime is 12525212423483. The reversal of 12525212423441 is 14432421252521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12525212423441 - 2²² = 12525208229137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12525212423395 and 12525212423404.

It is not an unprimeable number, because it can be changed into a prime (12525212423411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168530 + ... + 5007876.

It is an arithmetic number, because the mean of its divisors is an integer number (3131304962748).

Almost surely, 2^{12525212423441} is an apocalyptic number.

It is an amenable number.

12525212423441 is a deficient number, since it is larger than the sum of its proper divisors (7427551).

12525212423441 is an equidigital number, since it uses as much as digits as its factorization.

12525212423441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427550.

The product of its digits is 153600, while the sum is 38.

Adding to 12525212423441 its reverse (14432421252521), we get a palindrome (26957633675962).

The spelling of 12525212423441 in words is "twelve trillion, five hundred twenty-five billion, two hundred twelve million, four hundred twenty-three thousand, four hundred forty-one".