1123210320000 has 160 divisors (see below), whose sum is σ = 3728216651280. Its totient is φ = 299522688000.

The previous prime is 1123210319983. The next prime is 1123210320013. The reversal of 1123210320000 is 230123211.

It is a tau number, because it is divible by the number of its divisors (160).

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, 2100022 + ... + 2580021.

Almost surely, 2^{1123210320000} is an apocalyptic number.

1123210320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123210320000 is an abundant number, since it is smaller than the sum of its proper divisors (2605006331280).

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

1123210320000 is an frugal number, since it uses more digits than its factorization.

1123210320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680080 (or 4680053 counting only the distinct ones).

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

Adding to 1123210320000 its reverse (230123211), we get a palindrome (1123440443211).

The spelling of 1123210320000 in words is "one trillion, one hundred twenty-three billion, two hundred ten million, three hundred twenty thousand".