12012521240160 has 1440 divisors, whose sum is σ = 51681949482240. Its totient is φ = 2573484244992.

The previous prime is 12012521240141. The next prime is 12012521240173. The reversal of 12012521240160 is 6104212521021.

It is a happy number.

12012521240160 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 252 + 1 + 2 + 401 + 6 + 0 = 666.

12012521240160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 7419715831 + ... + 7419717449.

It is an arithmetic number, because the mean of its divisors is an integer number (35890242696).

Almost surely, 2^{12012521240160} is an apocalyptic number.

12012521240160 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 12012521240160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25840974741120).

12012521240160 is an abundant number, since it is smaller than the sum of its proper divisors (39669428242080).

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

12012521240160 is a wasteful number, since it uses less digits than its factorization.

12012521240160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 12012521240160 its reverse (6104212521021), we get a palindrome (18116733761181).

The spelling of 12012521240160 in words is "twelve trillion, twelve billion, five hundred twenty-one million, two hundred forty thousand, one hundred sixty".