1009212 has 24 divisors (see below), whose sum is σ = 2419536. Its totient is φ = 327168.

The previous prime is 1009207. The next prime is 1009237. The reversal of 1009212 is 2129001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1009191 and 1009200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (100814).

2^1009212 is an apocalyptic number.

1009212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1009212 is an abundant number, since it is smaller than the sum of its proper divisors (1410324).

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

1009212 is a wasteful number, since it uses less digits than its factorization.

1009212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1009212 is about 1004.5954409612. The cubic root of 1009212 is about 100.3061285634.

It can be divided in two parts, 10092 and 12, that multiplied together give a square (121104 = 348²).

The spelling of 1009212 in words is "one million, nine thousand, two hundred twelve".