1130321312120 has 384 divisors, whose sum is σ = 3510153662400. Its totient is φ = 321979392000.

The previous prime is 1130321312111. The next prime is 1130321312123. The reversal of 1130321312120 is 212131230311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1130321312092 and 1130321312101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130321312123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28288316 + ... + 28328244.

Almost surely, 2^{1130321312120} is an apocalyptic number.

1130321312120 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 1130321312120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755076831200).

1130321312120 is an abundant number, since it is smaller than the sum of its proper divisors (2379832350280).

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

1130321312120 is a wasteful number, since it uses less digits than its factorization.

1130321312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40079 (or 40068 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1130321312120 its reverse (212131230311), we get a palindrome (1342452542431).

It can be divided in two parts, 1130321 and 312120, that added together give a palindrome (1442441).

The spelling of 1130321312120 in words is "one trillion, one hundred thirty billion, three hundred twenty-one million, three hundred twelve thousand, one hundred twenty".