1121332323012 has 144 divisors (see below), whose sum is σ = 3024878368512. Its totient is φ = 320449368960.

The previous prime is 1121332322993. The next prime is 1121332323019. The reversal of 1121332323012 is 2103232331211.

It is not an unprimeable number, because it can be changed into a prime (1121332323019) 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, 4656063 + ... + 4890969.

Almost surely, 2^{1121332323012} is an apocalyptic number.

1121332323012 is a gapful number since it is divisible by the number (12) 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 1121332323012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1512439184256).

1121332323012 is an abundant number, since it is smaller than the sum of its proper divisors (1903546045500).

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

1121332323012 is a wasteful number, since it uses less digits than its factorization.

1121332323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235026 (or 234995 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1121332323012 its reverse (2103232331211), we get a palindrome (3224564654223).

The spelling of 1121332323012 in words is "one trillion, one hundred twenty-one billion, three hundred thirty-two million, three hundred twenty-three thousand, twelve".