12366640810 has 32 divisors (see below), whose sum is σ = 23046508800. Its totient is φ = 4772147520.

The previous prime is 12366640777. The next prime is 12366640873. The reversal of 12366640810 is 1804666321.

It is a happy number.

It is a super-2 number, since 2×12366640810² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12366640810.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348175 + ... + 382045.

It is an arithmetic number, because the mean of its divisors is an integer number (720203400).

Almost surely, 2^12366640810 is an apocalyptic number.

12366640810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12366640810 is a deficient number, since it is larger than the sum of its proper divisors (10679867990).

12366640810 is a wasteful number, since it uses less digits than its factorization.

12366640810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35166.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 12366640810 in words is "twelve billion, three hundred sixty-six million, six hundred forty thousand, eight hundred ten".