12385980684 has 432 divisors, whose sum is σ = 41827968000. Its totient is φ = 3051820800.

The previous prime is 12385980577. The next prime is 12385980713. The reversal of 12385980684 is 48608958321.

12385980684 is a `hidden beast` number, since 12 + 38 + 598 + 0 + 6 + 8 + 4 = 666.

It is a super-2 number, since 2×12385980684² (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 12385980684.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 35489742 + ... + 35490090.

It is an arithmetic number, because the mean of its divisors is an integer number (96824000).

Almost surely, 2^12385980684 is an apocalyptic number.

12385980684 is a gapful number since it is divisible by the number (14) 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 12385980684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20913984000).

12385980684 is an abundant number, since it is smaller than the sum of its proper divisors (29441987316).

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

12385980684 is a wasteful number, since it uses less digits than its factorization.

12385980684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 12385980684 in words is "twelve billion, three hundred eighty-five million, nine hundred eighty thousand, six hundred eighty-four".