2012102001 has 36 divisors (see below), whose sum is σ = 3596743488. Its totient is φ = 1061322912.

The previous prime is 2012101981. The next prime is 2012102003. The reversal of 2012102001 is 1002012102.

It is not a de Polignac number, because 2012102001 - 2²⁵ = 1978547569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2012102003) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 83845 + ... + 105138.

Almost surely, 2^2012102001 is an apocalyptic number.

2012102001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2012102001 is a deficient number, since it is larger than the sum of its proper divisors (1584641487).

2012102001 is a wasteful number, since it uses less digits than its factorization.

2012102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189022 (or 189006 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2012102001 is about 44856.4599695518. The cubic root of 2012102001 is about 1262.4572023005.

Adding to 2012102001 its reverse (1002012102), we get a palindrome (3014114103).

The spelling of 2012102001 in words is "two billion, twelve million, one hundred two thousand, one".