2003023212 has 24 divisors (see below), whose sum is σ = 4824486912. Its totient is φ = 646136400.

The previous prime is 2003023189. The next prime is 2003023271. The reversal of 2003023212 is 2123203002.

It is a junction number, because it is equal to n+sod(n) for n = 2003023191 and 2003023200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2691864 + ... + 2692607.

It is an arithmetic number, because the mean of its divisors is an integer number (201020288).

Almost surely, 2^2003023212 is an apocalyptic number.

It is an amenable number.

2003023212 is an abundant number, since it is smaller than the sum of its proper divisors (2821463700).

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

2003023212 is a wasteful number, since it uses less digits than its factorization.

2003023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384509 (or 5384507 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2003023212 is about 44755.1473240788. The cubic root of 2003023212 is about 1260.5555650294. Note that the first 4 decimals are identical.

Adding to 2003023212 its reverse (2123203002), we get a palindrome (4126226214).

The spelling of 2003023212 in words is "two billion, three million, twenty-three thousand, two hundred twelve".