1122300203200 has 168 divisors, whose sum is σ = 3042443489904. Its totient is φ = 404067840000.

The previous prime is 1122300203137. The next prime is 1122300203209. The reversal of 1122300203200 is 23020032211.

It is a super-2 number, since 2×1122300203200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1122300203209) 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, 1461922 + ... + 2093278.

It is an arithmetic number, because the mean of its divisors is an integer number (18109782678).

Almost surely, 2^{1122300203200} is an apocalyptic number.

1122300203200 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 1122300203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521221744952).

1122300203200 is an abundant number, since it is smaller than the sum of its proper divisors (1920143286704).

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

1122300203200 is a wasteful number, since it uses less digits than its factorization.

1122300203200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631491 (or 631476 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1122300203200 its reverse (23020032211), we get a palindrome (1145320235411).

The spelling of 1122300203200 in words is "one trillion, one hundred twenty-two billion, three hundred million, two hundred three thousand, two hundred".