1123012320000 has 180 divisors, whose sum is σ = 3734869178040. Its totient is φ = 299469824000.

The previous prime is 1123012319987. The next prime is 1123012320121. The reversal of 1123012320000 is 232103211.

It is a super-2 number, since 2×1123012320000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 689805 + ... + 1649804.

Almost surely, 2^{1123012320000} is an apocalyptic number.

1123012320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123012320000 is an abundant number, since it is smaller than the sum of its proper divisors (2611856858040).

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

1123012320000 is an frugal number, since it uses more digits than its factorization.

1123012320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339648 (or 2339619 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1123012320000 its reverse (232103211), we get a palindrome (1123244423211).

The spelling of 1123012320000 in words is "one trillion, one hundred twenty-three billion, twelve million, three hundred twenty thousand".