10021012012 has 36 divisors (see below), whose sum is σ = 19768143528. Its totient is φ = 4408051200.

The previous prime is 10021011997. The next prime is 10021012021. The reversal of 10021012012 is 21021012001.

It is a self number, because there is not a number n which added to its sum of digits gives 10021012012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76213 + ... + 160780.

It is an arithmetic number, because the mean of its divisors is an integer number (549115098).

Almost surely, 2^10021012012 is an apocalyptic number.

It is an amenable number.

10021012012 is a deficient number, since it is larger than the sum of its proper divisors (9747131516).

10021012012 is a wasteful number, since it uses less digits than its factorization.

10021012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237070 (or 237037 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10021012012 its reverse (21021012001), we get a palindrome (31042024013).

The spelling of 10021012012 in words is "ten billion, twenty-one million, twelve thousand, twelve".