2001242512 has 20 divisors (see below), whose sum is σ = 4045991040. Its totient is φ = 957115808.

The previous prime is 2001242501. The next prime is 2001242531. The reversal of 2001242512 is 2152421002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001242512.

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, 2718712 + ... + 2719447.

It is an arithmetic number, because the mean of its divisors is an integer number (202299552).

Almost surely, 2^2001242512 is an apocalyptic number.

It is an amenable number.

2001242512 is an abundant number, since it is smaller than the sum of its proper divisors (2044748528).

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

2001242512 is a wasteful number, since it uses less digits than its factorization.

2001242512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438190 (or 5438184 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2001242512 is about 44735.2490995635. The cubic root of 2001242512 is about 1260.1819070532.

Adding to 2001242512 its reverse (2152421002), we get a palindrome (4153663514).

The spelling of 2001242512 in words is "two billion, one million, two hundred forty-two thousand, five hundred twelve".