22022131021200 has 360 divisors, whose sum is σ = 77545624518336. Its totient is φ = 5786847360000.

The previous prime is 22022131021157. The next prime is 22022131021213. The reversal of 22022131021200 is 212013122022.

22022131021200 is a `hidden beast` number, since 220 + 2 + 213 + 10 + 21 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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

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, 76576077 + ... + 76863123.

Almost surely, 2^{22022131021200} is an apocalyptic number.

22022131021200 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 22022131021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38772812259168).

22022131021200 is an abundant number, since it is smaller than the sum of its proper divisors (55523493497136).

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

22022131021200 is a wasteful number, since it uses less digits than its factorization.

22022131021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287383 (or 287369 counting only the distinct ones).

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

Adding to 22022131021200 its reverse (212013122022), we get a palindrome (22234144143222).

The spelling of 22022131021200 in words is "twenty-two trillion, twenty-two billion, one hundred thirty-one million, twenty-one thousand, two hundred".