10021011212 has 12 divisors (see below), whose sum is σ = 17537688000. Its totient is φ = 5010243216.

The previous prime is 10021011191. The next prime is 10021011227. The reversal of 10021011212 is 21211012001.

10021011212 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 2×10021011212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021011193 and 10021011202.

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 3 ways as a sum of consecutive naturals, for example, 38789 + ... + 146787.

It is an arithmetic number, because the mean of its divisors is an integer number (1461474000).

Almost surely, 2^10021011212 is an apocalyptic number.

It is an amenable number.

10021011212 is a deficient number, since it is larger than the sum of its proper divisors (7516676788).

10021011212 is a wasteful number, since it uses less digits than its factorization.

10021011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131200 (or 131198 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10021011212 its reverse (21211012001), we get a palindrome (31232023213).

The spelling of 10021011212 in words is "ten billion, twenty-one million, eleven thousand, two hundred twelve".