2001242212 has 12 divisors (see below), whose sum is σ = 3502921660. Its totient is φ = 1000407456.

The previous prime is 2001242209. The next prime is 2001242233. The reversal of 2001242212 is 2122421002.

It can be written as a sum of positive squares in 2 ways, for example, as 1788782436 + 212459776 = 42294^2 + 14576^2 .

It is an unprimeable number.

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, 31323 + ... + 70594.

Almost surely, 2^2001242212 is an apocalyptic number.

It is an amenable number.

2001242212 is a deficient number, since it is larger than the sum of its proper divisors (1501679448).

2001242212 is a wasteful number, since it uses less digits than its factorization.

2001242212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106830 (or 106828 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2001242212 is about 44735.2457465028. The cubic root of 2001242212 is about 1260.1818440833.

Adding to 2001242212 its reverse (2122421002), we get a palindrome (4123663214).

The spelling of 2001242212 in words is "two billion, one million, two hundred forty-two thousand, two hundred twelve".