12660213624249 has 12 divisors (see below), whose sum is σ = 17442375486288. Its totient is φ = 8167879755720.

The previous prime is 12660213624241. The next prime is 12660213624257. The reversal of 12660213624249 is 94242631206621.

It is an interprime number because it is at equal distance from previous prime (12660213624241) and next prime (12660213624257).

It is not a de Polignac number, because 12660213624249 - 2³ = 12660213624241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12660213624198 and 12660213624207.

It is not an unprimeable number, because it can be changed into a prime (12660213624241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2195663719 + ... + 2195669484.

It is an arithmetic number, because the mean of its divisors is an integer number (1453531290524).

Almost surely, 2^{12660213624249} is an apocalyptic number.

It is an amenable number.

12660213624249 is a deficient number, since it is larger than the sum of its proper divisors (4782161862039).

12660213624249 is an equidigital number, since it uses as much as digits as its factorization.

12660213624249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391333268 (or 4391333237 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 12660213624249 in words is "twelve trillion, six hundred sixty billion, two hundred thirteen million, six hundred twenty-four thousand, two hundred forty-nine".