12881535800 has 384 divisors, whose sum is σ = 38112560640. Its totient is φ = 3948134400.

The previous prime is 12881535787. The next prime is 12881535809. The reversal of 12881535800 is 853518821.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12881535809) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41959247 + ... + 41959553.

It is an arithmetic number, because the mean of its divisors is an integer number (99251460).

Almost surely, 2^12881535800 is an apocalyptic number.

12881535800 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 12881535800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19056280320).

12881535800 is an abundant number, since it is smaller than the sum of its proper divisors (25231024840).

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

12881535800 is a wasteful number, since it uses less digits than its factorization.

12881535800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 12881535800 in words is "twelve billion, eight hundred eighty-one million, five hundred thirty-five thousand, eight hundred".