1233321130320 has 160 divisors (see below), whose sum is σ = 3995379136512. Its totient is φ = 314124704256.

The previous prime is 1233321130271. The next prime is 1233321130333. The reversal of 1233321130320 is 230311233321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3606597 + ... + 3933723.

Almost surely, 2^{1233321130320} is an apocalyptic number.

1233321130320 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 1233321130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997689568256).

1233321130320 is an abundant number, since it is smaller than the sum of its proper divisors (2762058006192).

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

1233321130320 is a wasteful number, since it uses less digits than its factorization.

1233321130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327849 (or 327843 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1233321130320 its reverse (230311233321), we get a palindrome (1463632363641).

The spelling of 1233321130320 in words is "one trillion, two hundred thirty-three billion, three hundred twenty-one million, one hundred thirty thousand, three hundred twenty".