1011212 has 12 divisors (see below), whose sum is σ = 1787856. Its totient is φ = 500400.

The previous prime is 1011191. The next prime is 1011217. The reversal of 1011212 is 2121101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011212.

It is not an unprimeable number, because it can be changed into a prime (1011217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (148988).

2^1011212 is an apocalyptic number.

It is an amenable number.

1011212 is a deficient number, since it is larger than the sum of its proper divisors (776644).

1011212 is a wasteful number, since it uses less digits than its factorization.

1011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1011212 is about 1005.5903738601. The cubic root of 1011212 is about 100.3723452031.

Adding to 1011212 its reverse (2121101), we get a palindrome (3132313).

The spelling of 1011212 in words is "one million, eleven thousand, two hundred twelve".