12183580450513 has 8 divisors (see below), whose sum is σ = 12480962011560. Its totient is φ = 11886209416320.

The previous prime is 12183580450499. The next prime is 12183580450523. The reversal of 12183580450513 is 31505408538121.

It can be written as a sum of positive squares in 4 ways, for example, as 3529310464 + 12180051140049 = 59408^2 + 3489993^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12183580450513 - 2²¹ = 12183578353361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12183580450523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262998 + ... + 4943311.

It is an arithmetic number, because the mean of its divisors is an integer number (1560120251445).

Almost surely, 2^{12183580450513} is an apocalyptic number.

It is an amenable number.

12183580450513 is a deficient number, since it is larger than the sum of its proper divisors (297381561047).

12183580450513 is an equidigital number, since it uses as much as digits as its factorization.

12183580450513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263427.

The product of its (nonzero) digits is 576000, while the sum is 46.

Adding to 12183580450513 its reverse (31505408538121), we get a palindrome (43688988988634).

The spelling of 12183580450513 in words is "twelve trillion, one hundred eighty-three billion, five hundred eighty million, four hundred fifty thousand, five hundred thirteen".