10020030012 has 36 divisors (see below), whose sum is σ = 25361416080. Its totient is φ = 3335657472.

The previous prime is 10020030001. The next prime is 10020030043. The reversal of 10020030012 is 21003002001.

It is a happy number.

10020030012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10020029976 and 10020030003.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 153288 + ... + 208655.

It is an arithmetic number, because the mean of its divisors is an integer number (704483780).

Almost surely, 2^10020030012 is an apocalyptic number.

10020030012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020030012 is an abundant number, since it is smaller than the sum of its proper divisors (15341386068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020030012 is a wasteful number, since it uses less digits than its factorization.

10020030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362722 (or 362717 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10020030012 its reverse (21003002001), we get a palindrome (31023032013).

The spelling of 10020030012 in words is "ten billion, twenty million, thirty thousand, twelve".