120105430312 has 16 divisors (see below), whose sum is σ = 257368779360. Its totient is φ = 51473755824.

The previous prime is 120105430283. The next prime is 120105430331. The reversal of 120105430312 is 213034501021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072369858 + ... + 1072369969.

It is an arithmetic number, because the mean of its divisors is an integer number (16085548710).

Almost surely, 2^120105430312 is an apocalyptic number.

It is an amenable number.

120105430312 is an abundant number, since it is smaller than the sum of its proper divisors (137263349048).

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

120105430312 is a wasteful number, since it uses less digits than its factorization.

120105430312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144739840 (or 2144739836 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 120105430312 its reverse (213034501021), we get a palindrome (333139931333).

The spelling of 120105430312 in words is "one hundred twenty billion, one hundred five million, four hundred thirty thousand, three hundred twelve".