172112248600 has 48 divisors (see below), whose sum is σ = 421222091400. Its totient is φ = 65221482240.

The previous prime is 172112248579. The next prime is 172112248603. The reversal of 172112248600 is 6842211271.

It is a super-2 number, since 2×172112248600² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172112248603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22642549 + ... + 22650148.

Almost surely, 2^172112248600 is an apocalyptic number.

172112248600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172112248600 is an abundant number, since it is smaller than the sum of its proper divisors (249109842800).

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

172112248600 is a wasteful number, since it uses less digits than its factorization.

172112248600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45292732 (or 45292723 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

Adding to 172112248600 its reverse (6842211271), we get a palindrome (178954459871).

The spelling of 172112248600 in words is "one hundred seventy-two billion, one hundred twelve million, two hundred forty-eight thousand, six hundred".