100540012 has 24 divisors (see below), whose sum is σ = 180069120. Its totient is φ = 49102800.

The previous prime is 100540009. The next prime is 100540019. The reversal of 100540012 is 210045001.

100540012 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

100540012 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 100539974 and 100540001.

It is not an unprimeable number, because it can be changed into a prime (100540019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38137 + ... + 40687.

It is an arithmetic number, because the mean of its divisors is an integer number (7502880).

Almost surely, 2^100540012 is an apocalyptic number.

It is an amenable number.

100540012 is a deficient number, since it is larger than the sum of its proper divisors (79529108).

100540012 is a wasteful number, since it uses less digits than its factorization.

100540012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 100540012 is about 10026.9642464706. The cubic root of 100540012 is about 464.9928884718.

Adding to 100540012 its reverse (210045001), we get a palindrome (310585013).

The spelling of 100540012 in words is "one hundred million, five hundred forty thousand, twelve".