2001901012 has 12 divisors (see below), whose sum is σ = 3616337536. Its totient is φ = 968661720.

The previous prime is 2001901007. The next prime is 2001901049. The reversal of 2001901012 is 2101091002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8072058 + ... + 8072305.

Almost surely, 2^2001901012 is an apocalyptic number.

It is an amenable number.

2001901012 is a deficient number, since it is larger than the sum of its proper divisors (1614436524).

2001901012 is a wasteful number, since it uses less digits than its factorization.

2001901012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16144398 (or 16144396 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 2001901012 is about 44742.6084621807. The cubic root of 2001901012 is about 1260.3201109907.

Adding to 2001901012 its reverse (2101091002), we get a palindrome (4102992014).

The spelling of 2001901012 in words is "two billion, one million, nine hundred one thousand, twelve".