12301320313524 has 72 divisors (see below), whose sum is σ = 31591680260224. Its totient is φ = 3722708880000.

The previous prime is 12301320313487. The next prime is 12301320313531. The reversal of 12301320313524 is 42531302310321.

It is a junction number, because it is equal to n+sod(n) for n = 12301320313491 and 12301320313500.

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, 4550017 + ... + 6730920.

Almost surely, 2^{12301320313524} is an apocalyptic number.

It is an amenable number.

12301320313524 is an abundant number, since it is smaller than the sum of its proper divisors (19290359946700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12301320313524 is a wasteful number, since it uses less digits than its factorization.

12301320313524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281717 (or 11281704 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 12301320313524 its reverse (42531302310321), we get a palindrome (54832622623845).

The spelling of 12301320313524 in words is "twelve trillion, three hundred one billion, three hundred twenty million, three hundred thirteen thousand, five hundred twenty-four".