1321232444325 has 48 divisors (see below), whose sum is σ = 2427486823360. Its totient is φ = 704560368960.

The previous prime is 1321232444291. The next prime is 1321232444327. The reversal of 1321232444325 is 5234442321231.

1321232444325 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 2 + 324 + 4 + 4 + 325 = 666.

It is not a de Polignac number, because 1321232444325 - 2⁶ = 1321232444261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1321232444325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321232444327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4916082 + ... + 5177868.

Almost surely, 2^{1321232444325} is an apocalyptic number.

1321232444325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1321232444325 is a deficient number, since it is larger than the sum of its proper divisors (1106254379035).

1321232444325 is a wasteful number, since it uses less digits than its factorization.

1321232444325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269283 (or 269272 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 1321232444325 its reverse (5234442321231), we get a palindrome (6555674765556).

The spelling of 1321232444325 in words is "one trillion, three hundred twenty-one billion, two hundred thirty-two million, four hundred forty-four thousand, three hundred twenty-five".