22012120100200 has 96 divisors (see below), whose sum is σ = 51692153499360. Its totient is φ = 8716536032000.

The previous prime is 22012120100197. The next prime is 22012120100209. The reversal of 22012120100200 is 200102121022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22012120100209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30696954 + ... + 31405846.

It is an arithmetic number, because the mean of its divisors is an integer number (538459932285).

Almost surely, 2^{22012120100200} is an apocalyptic number.

22012120100200 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 22012120100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25846076749680).

22012120100200 is an abundant number, since it is smaller than the sum of its proper divisors (29680033399160).

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

22012120100200 is a wasteful number, since it uses less digits than its factorization.

22012120100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710467 (or 710458 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22012120100200 its reverse (200102121022), we get a palindrome (22212222221222).

The spelling of 22012120100200 in words is "twenty-two trillion, twelve billion, one hundred twenty million, one hundred thousand, two hundred".