12386638844110 has 24 divisors (see below), whose sum is σ = 22724565597720. Its totient is φ = 4861171459872.

The previous prime is 12386638844089. The next prime is 12386638844113. The reversal of 12386638844110 is 1144883668321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12386638844113) 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, 220453200 + ... + 220509379.

It is an arithmetic number, because the mean of its divisors is an integer number (946856899905).

Almost surely, 2^{12386638844110} is an apocalyptic number.

12386638844110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12386638844110 is a deficient number, since it is larger than the sum of its proper divisors (10337926753610).

12386638844110 is an equidigital number, since it uses as much as digits as its factorization.

12386638844110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440962692 (or 440962639 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 12386638844110 in words is "twelve trillion, three hundred eighty-six billion, six hundred thirty-eight million, eight hundred forty-four thousand, one hundred ten".