12401569800 has 480 divisors, whose sum is σ = 46443381600. Its totient is φ = 3056901120.

The previous prime is 12401569783. The next prime is 12401569823. The reversal of 12401569800 is 896510421.

12401569800 is a `hidden beast` number, since 12 + 4 + 0 + 1 + 569 + 80 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 13234932 + ... + 13235868.

It is an arithmetic number, because the mean of its divisors is an integer number (96757045).

Almost surely, 2^12401569800 is an apocalyptic number.

12401569800 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 12401569800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23221690800).

12401569800 is an abundant number, since it is smaller than the sum of its proper divisors (34041811800).

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

12401569800 is a wasteful number, since it uses less digits than its factorization.

12401569800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 12401569800 in words is "twelve billion, four hundred one million, five hundred sixty-nine thousand, eight hundred".