2001232012 has 12 divisors (see below), whose sum is σ = 3771552736. Its totient is φ = 923645520.

The previous prime is 2001231989. The next prime is 2001232069. The reversal of 2001232012 is 2102321002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2001231983 and 2001232001.

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, 19242564 + ... + 19242667.

Almost surely, 2^2001232012 is an apocalyptic number.

It is an amenable number.

2001232012 is a deficient number, since it is larger than the sum of its proper divisors (1770320724).

2001232012 is a wasteful number, since it uses less digits than its factorization.

2001232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38485248 (or 38485246 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2001232012 is about 44735.1317422895. The cubic root of 2001232012 is about 1260.1797031003.

Adding to 2001232012 its reverse (2102321002), we get a palindrome (4103553014).

The spelling of 2001232012 in words is "two billion, one million, two hundred thirty-two thousand, twelve".