12557376000 has 960 divisors, whose sum is σ = 51400103040. Its totient is φ = 3019161600.

The previous prime is 12557375953. The next prime is 12557376053. The reversal of 12557376000 is 67375521.

12557376000 is a `hidden beast` number, since 1 + 25 + 573 + 7 + 60 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 292031979 + ... + 292032021.

It is an arithmetic number, because the mean of its divisors is an integer number (53541774).

Almost surely, 2^12557376000 is an apocalyptic number.

12557376000 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 12557376000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25700051520).

12557376000 is an abundant number, since it is smaller than the sum of its proper divisors (38842727040).

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

12557376000 is an equidigital number, since it uses as much as digits as its factorization.

12557376000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 12557376000 in words is "twelve billion, five hundred fifty-seven million, three hundred seventy-six thousand".