10100012 has 24 divisors (see below), whose sum is σ = 19481616. Its totient is φ = 4552128.

The previous prime is 10100011. The next prime is 10100047. The reversal of 10100012 is 21000101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10099969 and 10100005.

It is not an unprimeable number, because it can be changed into a prime (10100011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23 + ... + 4494.

It is an arithmetic number, because the mean of its divisors is an integer number (811734).

Almost surely, 2^10100012 is an apocalyptic number.

It is an amenable number.

10100012 is a deficient number, since it is larger than the sum of its proper divisors (9381604).

10100012 is a wasteful number, since it uses less digits than its factorization.

10100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577 (or 4575 counting only the distinct ones).

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

The square root of 10100012 is about 3178.0516043639. The cubic root of 10100012 is about 216.1593189021.

Adding to 10100012 its reverse (21000101), we get a palindrome (31100113).

Multiplying 10100012 by its reverse (21000101), we get a palindrome (212101272101212).

The spelling of 10100012 in words is "ten million, one hundred thousand, twelve".