12521846160 has 160 divisors (see below), whose sum is σ = 43199556480. Its totient is φ = 3333837312.

The previous prime is 12521846159. The next prime is 12521846167. The reversal of 12521846160 is 6164812521.

It is a happy number.

12521846160 is a `hidden beast` number, since 1 + 25 + 2 + 18 + 4 + 616 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12521846167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1458039 + ... + 1466601.

It is an arithmetic number, because the mean of its divisors is an integer number (269997228).

Almost surely, 2^12521846160 is an apocalyptic number.

12521846160 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 12521846160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21599778240).

12521846160 is an abundant number, since it is smaller than the sum of its proper divisors (30677710320).

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

12521846160 is a wasteful number, since it uses less digits than its factorization.

12521846160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262 (or 9250 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 12521846160 in words is "twelve billion, five hundred twenty-one million, eight hundred forty-six thousand, one hundred sixty".