12861048750 has 160 divisors (see below), whose sum is σ = 35553019392. Its totient is φ = 3074400000.

The previous prime is 12861048721. The next prime is 12861048821. The reversal of 12861048750 is 5784016821.

It is a congruent number.

It is an unprimeable number.

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, 3009115 + ... + 3013385.

Almost surely, 2^12861048750 is an apocalyptic number.

12861048750 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 12861048750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17776509696).

12861048750 is an abundant number, since it is smaller than the sum of its proper divisors (22691970642).

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

12861048750 is a wasteful number, since it uses less digits than its factorization.

12861048750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380 (or 4365 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 12861048750 in words is "twelve billion, eight hundred sixty-one million, forty-eight thousand, seven hundred fifty".