12172457088 has 512 divisors, whose sum is σ = 40950144000. Its totient is φ = 3571983360.

The previous prime is 12172457083. The next prime is 12172457131. The reversal of 12172457088 is 88075427121.

12172457088 is a `hidden beast` number, since 1 + 2 + 1 + 72 + 4 + 570 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12172457083) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181678431 + ... + 181678497.

It is an arithmetic number, because the mean of its divisors is an integer number (79980750).

Almost surely, 2^12172457088 is an apocalyptic number.

12172457088 is a gapful number since it is divisible by the number (18) 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 12172457088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20475072000).

12172457088 is an abundant number, since it is smaller than the sum of its proper divisors (28777686912).

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

12172457088 is an frugal number, since it uses more digits than its factorization.

12172457088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 12172457088 in words is "twelve billion, one hundred seventy-two million, four hundred fifty-seven thousand, eighty-eight".