100320405112 has 32 divisors (see below), whose sum is σ = 196972721280. Its totient is φ = 47809761120.

The previous prime is 100320405103. The next prime is 100320405167. The reversal of 100320405112 is 211504023001.

It is a self number, because there is not a number n which added to its sum of digits gives 100320405112.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 911214 + ... + 1015357.

It is an arithmetic number, because the mean of its divisors is an integer number (6155397540).

Almost surely, 2^100320405112 is an apocalyptic number.

It is an amenable number.

100320405112 is a deficient number, since it is larger than the sum of its proper divisors (96652316168).

100320405112 is a wasteful number, since it uses less digits than its factorization.

100320405112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926883 (or 1926879 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 100320405112 its reverse (211504023001), we get a palindrome (311824428113).

The spelling of 100320405112 in words is "one hundred billion, three hundred twenty million, four hundred five thousand, one hundred twelve".