10212210 has 64 divisors (see below), whose sum is σ = 27561600. Its totient is φ = 2690496.

The previous prime is 10212203. The next prime is 10212233. The reversal of 10212210 is 1221201.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10212192 and 10212201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29257 + ... + 29603.

It is an arithmetic number, because the mean of its divisors is an integer number (430650).

Almost surely, 2^10212210 is an apocalyptic number.

10212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13780800).

10212210 is an abundant number, since it is smaller than the sum of its proper divisors (17349390).

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

10212210 is a wasteful number, since it uses less digits than its factorization.

10212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10212210 is about 3195.6548624656. The cubic root of 10212210 is about 216.9567895161.

Adding to 10212210 its reverse (1221201), we get a palindrome (11433411).

The spelling of 10212210 in words is "ten million, two hundred twelve thousand, two hundred ten".