1205464212 has 36 divisors (see below), whose sum is σ = 3066568596. Its totient is φ = 399260160.

The previous prime is 1205464159. The next prime is 1205464229. The reversal of 1205464212 is 2124645021.

1205464212 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 4 + 642 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 834285456 + 371178756 = 28884^2 + 19266^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100989 + ... + 112292.

It is an arithmetic number, because the mean of its divisors is an integer number (85182461).

Almost surely, 2^1205464212 is an apocalyptic number.

1205464212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1205464212 is an abundant number, since it is smaller than the sum of its proper divisors (1861104384).

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

1205464212 is a wasteful number, since it uses less digits than its factorization.

1205464212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213448 (or 213443 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1205464212 is about 34719.7956791223. The cubic root of 1205464212 is about 1064.2690693148.

The spelling of 1205464212 in words is "one billion, two hundred five million, four hundred sixty-four thousand, two hundred twelve".