10212101212 has 24 divisors (see below), whose sum is σ = 19150414416. Its totient is φ = 4747792128.

The previous prime is 10212101191. The next prime is 10212101257. The reversal of 10212101212 is 21210121201.

It is a super-2 number, since 2×10212101212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212101192 and 10212101201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 899043 + ... + 910330.

It is an arithmetic number, because the mean of its divisors is an integer number (797933934).

Almost surely, 2^10212101212 is an apocalyptic number.

It is an amenable number.

10212101212 is a deficient number, since it is larger than the sum of its proper divisors (8938313204).

10212101212 is a wasteful number, since it uses less digits than its factorization.

10212101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809477 (or 1809475 counting only the distinct ones).

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

Adding to 10212101212 its reverse (21210121201), we get a palindrome (31422222413).

The spelling of 10212101212 in words is "ten billion, two hundred twelve million, one hundred one thousand, two hundred twelve".