1123012013200 has 120 divisors (see below), whose sum is σ = 3363785686080. Its totient is φ = 350029708800.

The previous prime is 1123012013153. The next prime is 1123012013219. The reversal of 1123012013200 is 23102103211.

It is a super-2 number, since 2×1123012013200² (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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18199915 + ... + 18261514.

It is an arithmetic number, because the mean of its divisors is an integer number (28031547384).

Almost surely, 2^{1123012013200} is an apocalyptic number.

1123012013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123012013200 is an abundant number, since it is smaller than the sum of its proper divisors (2240773672880).

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

1123012013200 is a wasteful number, since it uses less digits than its factorization.

1123012013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36461465 (or 36461454 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1123012013200 its reverse (23102103211), we get a palindrome (1146114116411).

The spelling of 1123012013200 in words is "one trillion, one hundred twenty-three billion, twelve million, thirteen thousand, two hundred".