1205212 has 6 divisors (see below), whose sum is σ = 2109128. Its totient is φ = 602604.

The previous prime is 1205179. The next prime is 1205219. The reversal of 1205212 is 2125021.

It is a junction number, because it is equal to n+sod(n) for n = 1205192 and 1205201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205219) 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 as a sum of consecutive naturals, namely, 150648 + ... + 150655.

2^1205212 is an apocalyptic number.

It is an amenable number.

1205212 is a deficient number, since it is larger than the sum of its proper divisors (903916).

1205212 is a wasteful number, since it uses less digits than its factorization.

1205212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301307 (or 301305 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1205212 is about 1097.8214791122. The cubic root of 1205212 is about 106.4194840607.

The spelling of 1205212 in words is "one million, two hundred five thousand, two hundred twelve".