120311111232 has 336 divisors, whose sum is σ = 386431871280. Its totient is φ = 35533209600.

The previous prime is 120311111153. The next prime is 120311111233. The reversal of 120311111232 is 232111113021.

120311111232 is a `hidden beast` number, since 12 + 0 + 311 + 111 + 232 = 666.

120311111232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 6752894976 + 113558216256 = 82176^2 + 336984^2 .

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

It is not an unprimeable number, because it can be changed into a prime (120311111233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39302982 + ... + 39306042.

It is an arithmetic number, because the mean of its divisors is an integer number (1150094855).

Almost surely, 2^120311111232 is an apocalyptic number.

120311111232 is a gapful number since it is divisible by the number (12) 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 120311111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193215935640).

120311111232 is an abundant number, since it is smaller than the sum of its proper divisors (266120760048).

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

120311111232 is a wasteful number, since it uses less digits than its factorization.

120311111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302 (or 3289 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 120311111232 its reverse (232111113021), we get a palindrome (352422224253).

The spelling of 120311111232 in words is "one hundred twenty billion, three hundred eleven million, one hundred eleven thousand, two hundred thirty-two".