2122320211200 has 648 divisors, whose sum is σ = 8781642105600. Its totient is φ = 478954045440.

The previous prime is 2122320211129. The next prime is 2122320211237. The reversal of 2122320211200 is 21120232212.

2122320211200 is a `hidden beast` number, since 2 + 122 + 320 + 21 + 1 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31819486 + ... + 31886114.

Almost surely, 2^{2122320211200} is an apocalyptic number.

2122320211200 is a gapful number since it is divisible by the number (20) 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 2122320211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4390821052800).

2122320211200 is an abundant number, since it is smaller than the sum of its proper divisors (6659321894400).

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

2122320211200 is a wasteful number, since it uses less digits than its factorization.

2122320211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66747 (or 66725 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2122320211200 its reverse (21120232212), we get a palindrome (2143440443412).

The spelling of 2122320211200 in words is "two trillion, one hundred twenty-two billion, three hundred twenty million, two hundred eleven thousand, two hundred".