12851310780 has 576 divisors, whose sum is σ = 50134855680. Its totient is φ = 2609418240.

The previous prime is 12851310739. The next prime is 12851310811. The reversal of 12851310780 is 8701315821.

12851310780 is a `hidden beast` number, since 128 + 513 + 10 + 7 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 132487692 + ... + 132487788.

It is an arithmetic number, because the mean of its divisors is an integer number (87039680).

Almost surely, 2^12851310780 is an apocalyptic number.

12851310780 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 12851310780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25067427840).

12851310780 is an abundant number, since it is smaller than the sum of its proper divisors (37283544900).

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

12851310780 is a wasteful number, since it uses less digits than its factorization.

12851310780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 12851310780 in words is "twelve billion, eight hundred fifty-one million, three hundred ten thousand, seven hundred eighty".