2005543212 has 48 divisors (see below), whose sum is σ = 4715553024. Its totient is φ = 663400000.

The previous prime is 2005543207. The next prime is 2005543223. The reversal of 2005543212 is 2123455002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935662 + ... + 937802.

It is an arithmetic number, because the mean of its divisors is an integer number (98240688).

Almost surely, 2^2005543212 is an apocalyptic number.

It is an amenable number.

2005543212 is an abundant number, since it is smaller than the sum of its proper divisors (2710009812).

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

2005543212 is a wasteful number, since it uses less digits than its factorization.

2005543212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2005543212 is about 44783.2916610648. The cubic root of 2005543212 is about 1261.0839777436.

Adding to 2005543212 its reverse (2123455002), we get a palindrome (4128998214).

The spelling of 2005543212 in words is "two billion, five million, five hundred forty-three thousand, two hundred twelve".