10209212 has 12 divisors (see below), whose sum is σ = 19240536. Its totient is φ = 4711920.

The previous prime is 10209209. The next prime is 10209229. The reversal of 10209212 is 21290201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98114 + ... + 98217.

It is an arithmetic number, because the mean of its divisors is an integer number (1603378).

Almost surely, 2^10209212 is an apocalyptic number.

It is an amenable number.

10209212 is a deficient number, since it is larger than the sum of its proper divisors (9031324).

10209212 is a wasteful number, since it uses less digits than its factorization.

10209212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196348 (or 196346 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10209212 is about 3195.1857535987. The cubic root of 10209212 is about 216.9355567593.

Adding to 10209212 its reverse (21290201), we get a palindrome (31499413).

The spelling of 10209212 in words is "ten million, two hundred nine thousand, two hundred twelve".