120311100000 has 1296 divisors, whose sum is σ = 533902640544. Its totient is φ = 25159680000.

The previous prime is 120311099999. The next prime is 120311100017. The reversal of 120311100000 is 1113021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1064699944 + ... + 1064700056.

It is an arithmetic number, because the mean of its divisors is an integer number (411961914).

Almost surely, 2^120311100000 is an apocalyptic number.

120311100000 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 120311100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266951320272).

120311100000 is an abundant number, since it is smaller than the sum of its proper divisors (413591540544).

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

120311100000 is a wasteful number, since it uses less digits than its factorization.

120311100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 120311100000 its reverse (1113021), we get a palindrome (120312213021).

The spelling of 120311100000 in words is "one hundred twenty billion, three hundred eleven million, one hundred thousand".