12388464660 has 192 divisors, whose sum is σ = 40821387264. Its totient is φ = 2767526400.

The previous prime is 12388464659. The next prime is 12388464679. The reversal of 12388464660 is 6646488321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8330437 + ... + 8331923.

It is an arithmetic number, because the mean of its divisors is an integer number (212611392).

Almost surely, 2^12388464660 is an apocalyptic number.

12388464660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12388464660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20410693632).

12388464660 is an abundant number, since it is smaller than the sum of its proper divisors (28432922604).

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

12388464660 is a wasteful number, since it uses less digits than its factorization.

12388464660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 12388464660 in words is "twelve billion, three hundred eighty-eight million, four hundred sixty-four thousand, six hundred sixty".