1123301203200 has 1296 divisors, whose sum is σ = 4549214831616. Its totient is φ = 262077235200.

The previous prime is 1123301203151. The next prime is 1123301203201. The reversal of 1123301203200 is 23021033211.

1123301203200 is a `hidden beast` number, since 1 + 1 + 2 + 330 + 12 + 0 + 320 + 0 = 666.

It is a super-2 number, since 2×1123301203200² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123301203201) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1995206119 + ... + 1995206681.

Almost surely, 2^{1123301203200} is an apocalyptic number.

1123301203200 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 1123301203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274607415808).

1123301203200 is an abundant number, since it is smaller than the sum of its proper divisors (3425913628416).

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

1123301203200 is a wasteful number, since it uses less digits than its factorization.

1123301203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1123301203200 its reverse (23021033211), we get a palindrome (1146322236411).

The spelling of 1123301203200 in words is "one trillion, one hundred twenty-three billion, three hundred one million, two hundred three thousand, two hundred".