1000100012 has 6 divisors (see below), whose sum is σ = 1750175028. Its totient is φ = 500050004.

The previous prime is 1000100009. The next prime is 1000100033. The reversal of 1000100012 is 2100010001.

It is a happy number.

1000100012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1000099969 and 1000100005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125012498 + ... + 125012505.

It is an arithmetic number, because the mean of its divisors is an integer number (291695838).

Almost surely, 2^1000100012 is an apocalyptic number.

It is an amenable number.

1000100012 is a deficient number, since it is larger than the sum of its proper divisors (750075016).

1000100012 is a wasteful number, since it uses less digits than its factorization.

1000100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250025007 (or 250025005 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1000100012 is about 31624.3578907146. The cubic root of 1000100012 is about 1000.0333362220.

Adding to 1000100012 its reverse (2100010001), we get a palindrome (3100110013).

It can be divided in two parts, 100010001 and 2, that multiplied together give a palindrome (200020002).

The spelling of 1000100012 in words is "one billion, one hundred thousand, twelve".