12650688960 has 448 divisors, whose sum is σ = 49772620800. Its totient is φ = 2650963968.

The previous prime is 12650688959. The next prime is 12650688961. The reversal of 12650688960 is 6988605621.

It is an interprime number because it is at equal distance from previous prime (12650688959) and next prime (12650688961).

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650688961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15637036 + ... + 15637844.

It is an arithmetic number, because the mean of its divisors is an integer number (111099600).

Almost surely, 2^12650688960 is an apocalyptic number.

12650688960 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 12650688960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24886310400).

12650688960 is an abundant number, since it is smaller than the sum of its proper divisors (37121931840).

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

12650688960 is a wasteful number, since it uses less digits than its factorization.

12650688960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 12650688960 in words is "twelve billion, six hundred fifty million, six hundred eighty-eight thousand, nine hundred sixty".