12786310980 has 144 divisors (see below), whose sum is σ = 41147084160. Its totient is φ = 3202827264.

The previous prime is 12786310939. The next prime is 12786311017. The reversal of 12786310980 is 8901368721.

12786310980 is a `hidden beast` number, since 1 + 2 + 7 + 8 + 631 + 0 + 9 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1670001 + ... + 1677639.

It is an arithmetic number, because the mean of its divisors is an integer number (285743640).

Almost surely, 2^12786310980 is an apocalyptic number.

12786310980 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 12786310980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20573542080).

12786310980 is an abundant number, since it is smaller than the sum of its proper divisors (28360773180).

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

12786310980 is a wasteful number, since it uses less digits than its factorization.

12786310980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218 (or 8213 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 12786310980 in words is "twelve billion, seven hundred eighty-six million, three hundred ten thousand, nine hundred eighty".