172213441200 has 120 divisors (see below), whose sum is σ = 612952323600. Its totient is φ = 45923581440.

The previous prime is 172213441189. The next prime is 172213441241. The reversal of 172213441200 is 2144312271.

172213441200 is a `hidden beast` number, since 1 + 7 + 2 + 2 + 13 + 441 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7962045 + ... + 7983644.

It is an arithmetic number, because the mean of its divisors is an integer number (5107936030).

Almost surely, 2^172213441200 is an apocalyptic number.

172213441200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172213441200 is an abundant number, since it is smaller than the sum of its proper divisors (440738882400).

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

172213441200 is a wasteful number, since it uses less digits than its factorization.

172213441200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15945716 (or 15945699 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 172213441200 its reverse (2144312271), we get a palindrome (174357753471).

The spelling of 172213441200 in words is "one hundred seventy-two billion, two hundred thirteen million, four hundred forty-one thousand, two hundred".