12543776160 has 192 divisors, whose sum is σ = 40900132224. Its totient is φ = 3229286400.

The previous prime is 12543776137. The next prime is 12543776209. The reversal of 12543776160 is 6167734521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1905675 + ... + 1912245.

It is an arithmetic number, because the mean of its divisors is an integer number (213021522).

Almost surely, 2^12543776160 is an apocalyptic number.

12543776160 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 12543776160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20450066112).

12543776160 is an abundant number, since it is smaller than the sum of its proper divisors (28356356064).

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

12543776160 is a wasteful number, since it uses less digits than its factorization.

12543776160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727 (or 6719 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 12543776160 in words is "twelve billion, five hundred forty-three million, seven hundred seventy-six thousand, one hundred sixty".