2001335212 has 12 divisors (see below), whose sum is σ = 3504360496. Its totient is φ = 1000089360.

The previous prime is 2001335209. The next prime is 2001335213. The reversal of 2001335212 is 2125331002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001335212.

It is not an unprimeable number, because it can be changed into a prime (2001335213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 136728 + ... + 150655.

Almost surely, 2^2001335212 is an apocalyptic number.

It is an amenable number.

2001335212 is a deficient number, since it is larger than the sum of its proper divisors (1503025284).

2001335212 is a wasteful number, since it uses less digits than its factorization.

2001335212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289128 (or 289126 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2001335212 is about 44736.2851832827. The cubic root of 2001335212 is about 1260.2013644750.

Adding to 2001335212 its reverse (2125331002), we get a palindrome (4126666214).

It can be divided in two parts, 20013 and 35212, that added together give a square (55225 = 235²).

The spelling of 2001335212 in words is "two billion, one million, three hundred thirty-five thousand, two hundred twelve".