12876821130 has 64 divisors (see below), whose sum is σ = 31404723840. Its totient is φ = 3378456576.

The previous prime is 12876821107. The next prime is 12876821131. The reversal of 12876821130 is 3112867821.

It is not an unprimeable number, because it can be changed into a prime (12876821131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910594 + ... + 924626.

It is an arithmetic number, because the mean of its divisors is an integer number (490698810).

Almost surely, 2^12876821130 is an apocalyptic number.

12876821130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12876821130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15702361920).

12876821130 is an abundant number, since it is smaller than the sum of its proper divisors (18527902710).

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

12876821130 is a wasteful number, since it uses less digits than its factorization.

12876821130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14535.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 12876821130 in words is "twelve billion, eight hundred seventy-six million, eight hundred twenty-one thousand, one hundred thirty".