1222122020200 has 192 divisors, whose sum is σ = 3062978064000. Its totient is φ = 451824844800.

The previous prime is 1222122020177. The next prime is 1222122020239. The reversal of 1222122020200 is 20202212221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62029951 + ... + 62049649.

It is an arithmetic number, because the mean of its divisors is an integer number (15953010750).

Almost surely, 2^{1222122020200} is an apocalyptic number.

1222122020200 is a gapful number since it is divisible by the number (10) 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 1222122020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531489032000).

1222122020200 is an abundant number, since it is smaller than the sum of its proper divisors (1840856043800).

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

1222122020200 is a wasteful number, since it uses less digits than its factorization.

1222122020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20060 (or 20051 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222122020200 its reverse (20202212221), we get a palindrome (1242324232421).

It can be divided in two parts, 122212 and 2020200, that added together give a palindrome (2142412).

The spelling of 1222122020200 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty thousand, two hundred".