120320131230000 has 600 divisors, whose sum is σ = 453832791331920. Its totient is φ = 29572266240000.

The previous prime is 120320131229941. The next prime is 120320131230023. The reversal of 120320131230000 is 32131023021.

120320131230000 is a `hidden beast` number, since 1 + 2 + 0 + 320 + 1 + 312 + 30 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 773292211 + ... + 773447789.

Almost surely, 2^{120320131230000} is an apocalyptic number.

120320131230000 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 120320131230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226916395665960).

120320131230000 is an abundant number, since it is smaller than the sum of its proper divisors (333512660101920).

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

120320131230000 is a wasteful number, since it uses less digits than its factorization.

120320131230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156287 (or 156263 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120320131230000 its reverse (32131023021), we get a palindrome (120352262253021).

The spelling of 120320131230000 in words is "one hundred twenty trillion, three hundred twenty billion, one hundred thirty-one million, two hundred thirty thousand".