12788111250 has 160 divisors (see below), whose sum is σ = 35763552000. Its totient is φ = 3385944000.

The previous prime is 12788111249. The next prime is 12788111257. The reversal of 12788111250 is 5211188721.

It is not an unprimeable number, because it can be changed into a prime (12788111257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5027479 + ... + 5030021.

It is an arithmetic number, because the mean of its divisors is an integer number (223522200).

Almost surely, 2^12788111250 is an apocalyptic number.

12788111250 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 12788111250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17881776000).

12788111250 is an abundant number, since it is smaller than the sum of its proper divisors (22975440750).

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

12788111250 is a wasteful number, since it uses less digits than its factorization.

12788111250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

Adding to 12788111250 its reverse (5211188721), we get a palindrome (17999299971).

The spelling of 12788111250 in words is "twelve billion, seven hundred eighty-eight million, one hundred eleven thousand, two hundred fifty".