2091212 has 12 divisors (see below), whose sum is σ = 3671136. Its totient is φ = 1042320.

The previous prime is 2091211. The next prime is 2091227. The reversal of 2091212 is 2121902.

2091212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2091211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1118 + ... + 2330.

It is an arithmetic number, because the mean of its divisors is an integer number (305928).

2^2091212 is an apocalyptic number.

It is an amenable number.

2091212 is a deficient number, since it is larger than the sum of its proper divisors (1579924).

2091212 is a wasteful number, since it uses less digits than its factorization.

2091212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1646 counting only the distinct ones).

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

The square root of 2091212 is about 1446.1023476919. The cubic root of 2091212 is about 127.8790361121.

The spelling of 2091212 in words is "two million, ninety-one thousand, two hundred twelve".