120431320000 has 140 divisors (see below), whose sum is σ = 301718919040. Its totient is φ = 47674368000.

The previous prime is 120431319991. The next prime is 120431320003. The reversal of 120431320000 is 23134021.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120431320003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3864481 + ... + 3895519.

It is an arithmetic number, because the mean of its divisors is an integer number (2155135136).

Almost surely, 2^120431320000 is an apocalyptic number.

120431320000 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 120431320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150859459520).

120431320000 is an abundant number, since it is smaller than the sum of its proper divisors (181287599040).

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

120431320000 is an frugal number, since it uses more digits than its factorization.

120431320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31168 (or 31143 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120431320000 its reverse (23134021), we get a palindrome (120454454021).

The spelling of 120431320000 in words is "one hundred twenty billion, four hundred thirty-one million, three hundred twenty thousand".