10011212212 has 24 divisors (see below), whose sum is σ = 18581863104. Its totient is φ = 4703114112.

The previous prime is 10011212209. The next prime is 10011212243. The reversal of 10011212212 is 21221211001.

It is a junction number, because it is equal to n+sod(n) for n = 10011212192 and 10011212201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85488 + ... + 165319.

It is an arithmetic number, because the mean of its divisors is an integer number (774244296).

Almost surely, 2^10011212212 is an apocalyptic number.

It is an amenable number.

10011212212 is a deficient number, since it is larger than the sum of its proper divisors (8570650892).

10011212212 is a wasteful number, since it uses less digits than its factorization.

10011212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251415 (or 251413 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10011212212 its reverse (21221211001), we get a palindrome (31232423213).

The spelling of 10011212212 in words is "ten billion, eleven million, two hundred twelve thousand, two hundred twelve".