2012020011 has 12 divisors (see below), whose sum is σ = 2906996040. Its totient is φ = 1341002880.

The previous prime is 2012019917. The next prime is 2012020033. The reversal of 2012020011 is 1100202102.

It is not a de Polignac number, because 2012020011 - 2¹¹ = 2012017963 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 2012019975 and 2012020002.

It is not an unprimeable number, because it can be changed into a prime (2012020051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11355 + ... + 64443.

It is an arithmetic number, because the mean of its divisors is an integer number (242249670).

Almost surely, 2^2012020011 is an apocalyptic number.

2012020011 is a deficient number, since it is larger than the sum of its proper divisors (894976029).

2012020011 is a wasteful number, since it uses less digits than its factorization.

2012020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57306 (or 57303 counting only the distinct ones).

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

The square root of 2012020011 is about 44855.5460450545. The cubic root of 2012020011 is about 1262.4400543507.

Adding to 2012020011 its reverse (1100202102), we get a palindrome (3112222113).

The spelling of 2012020011 in words is "two billion, twelve million, twenty thousand, eleven".