1123300131200 has 384 divisors, whose sum is σ = 3042975237120. Its totient is φ = 407219281920.

The previous prime is 1123300131139. The next prime is 1123300131209. The reversal of 1123300131200 is 21310033211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123300131209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1301621969 + ... + 1301622831.

It is an arithmetic number, because the mean of its divisors is an integer number (7924414680).

Almost surely, 2^{1123300131200} is an apocalyptic number.

1123300131200 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 1123300131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521487618560).

1123300131200 is an abundant number, since it is smaller than the sum of its proper divisors (1919675105920).

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

1123300131200 is a wasteful number, since it uses less digits than its factorization.

1123300131200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1123300131200 its reverse (21310033211), we get a palindrome (1144610164411).

The spelling of 1123300131200 in words is "one trillion, one hundred twenty-three billion, three hundred million, one hundred thirty-one thousand, two hundred".