1123210330000 has 150 divisors (see below), whose sum is σ = 2989100761262. Its totient is φ = 408439680000.

The previous prime is 1123210329979. The next prime is 1123210330037. The reversal of 1123210330000 is 330123211.

It can be written as a sum of positive squares in 5 ways, for example, as 817020747664 + 306189582336 = 903892^2 + 553344^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 745864 + ... + 1674136.

Almost surely, 2^{1123210330000} is an apocalyptic number.

1123210330000 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 1123210330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494550380631).

1123210330000 is an abundant number, since it is smaller than the sum of its proper divisors (1865890431262).

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

1123210330000 is an equidigital number, since it uses as much as digits as its factorization.

1123210330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928323 (or 928291 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1123210330000 its reverse (330123211), we get a palindrome (1123540453211).

The spelling of 1123210330000 in words is "one trillion, one hundred twenty-three billion, two hundred ten million, three hundred thirty thousand".