12172502160000 has 2880 divisors, whose sum is σ = 56036060720640. Its totient is φ = 2480025600000.

The previous prime is 12172502159971. The next prime is 12172502160001. The reversal of 12172502160000 is 6120527121.

12172502160000 is a `hidden beast` number, since 1 + 2 + 1 + 7 + 2 + 50 + 2 + 1 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is not an unprimeable number, because it can be changed into a prime (12172502160001) by changing a digit.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 26404559770 + ... + 26404560230.

It is an arithmetic number, because the mean of its divisors is an integer number (19456965528).

Almost surely, 2^{12172502160000} is an apocalyptic number.

12172502160000 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 12172502160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28018030360320).

12172502160000 is an abundant number, since it is smaller than the sum of its proper divisors (43863558560640).

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

12172502160000 is a wasteful number, since it uses less digits than its factorization.

12172502160000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 12172502160000 its reverse (6120527121), we get a palindrome (12178622687121).

The spelling of 12172502160000 in words is "twelve trillion, one hundred seventy-two billion, five hundred two million, one hundred sixty thousand".