12916812480 has 448 divisors, whose sum is σ = 49502251008. Its totient is φ = 2811248640.

The previous prime is 12916812473. The next prime is 12916812509. The reversal of 12916812480 is 8421861921.

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, 5078089 + ... + 5080631.

It is an arithmetic number, because the mean of its divisors is an integer number (110496096).

Almost surely, 2^12916812480 is an apocalyptic number.

12916812480 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 12916812480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24751125504).

12916812480 is an abundant number, since it is smaller than the sum of its proper divisors (36585438528).

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

12916812480 is a wasteful number, since it uses less digits than its factorization.

12916812480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 2614 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 12916812480 in words is "twelve billion, nine hundred sixteen million, eight hundred twelve thousand, four hundred eighty".