12243506144325 has 24 divisors (see below), whose sum is σ = 20244253906848. Its totient is φ = 6529335401280.

The previous prime is 12243506144297. The next prime is 12243506144407. The reversal of 12243506144325 is 52344160534221.

It is not a de Polignac number, because 12243506144325 - 2³⁵ = 12209146405957 is a prime.

It is a super-2 number, since 2×12243506144325² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5758642 + ... + 7592691.

It is an arithmetic number, because the mean of its divisors is an integer number (843510579452).

Almost surely, 2^{12243506144325} is an apocalyptic number.

12243506144325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12243506144325 is a deficient number, since it is larger than the sum of its proper divisors (8000747762523).

12243506144325 is a wasteful number, since it uses less digits than its factorization.

12243506144325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13363573 (or 13363568 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 12243506144325 its reverse (52344160534221), we get a palindrome (64587666678546).

The spelling of 12243506144325 in words is "twelve trillion, two hundred forty-three billion, five hundred six million, one hundred forty-four thousand, three hundred twenty-five".