10009012 has 24 divisors (see below), whose sum is σ = 19135872. Its totient is φ = 4552800.

The previous prime is 10009007. The next prime is 10009019. The reversal of 10009012 is 21090001.

10009012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10009012² = 200360642432288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10008983 and 10009001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10009019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (797328).

Almost surely, 2^10009012 is an apocalyptic number.

It is an amenable number.

10009012 is a deficient number, since it is larger than the sum of its proper divisors (9126860).

10009012 is a wasteful number, since it uses less digits than its factorization.

10009012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799 (or 2797 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 10009012 is about 3163.7022615916. The cubic root of 10009012 is about 215.5081687894.

Adding to 10009012 its reverse (21090001), we get a palindrome (31099013).

The spelling of 10009012 in words is "ten million, nine thousand, twelve".