2011512 has 16 divisors (see below), whose sum is σ = 5028840. Its totient is φ = 670496.

The previous prime is 2011507. The next prime is 2011517. The reversal of 2011512 is 2151102.

It is an interprime number because it is at equal distance from previous prime (2011507) and next prime (2011517).

It is a super-2 number, since 2×2011512² = 8092361052288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41883 + ... + 41930.

2^2011512 is an apocalyptic number.

It is an amenable number.

2011512 is an abundant number, since it is smaller than the sum of its proper divisors (3017328).

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

2011512 is a wasteful number, since it uses less digits than its factorization.

2011512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83822 (or 83818 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2011512 is about 1418.2778289179. The cubic root of 2011512 is about 126.2333795067.

Adding to 2011512 its reverse (2151102), we get a palindrome (4162614).

The spelling of 2011512 in words is "two million, eleven thousand, five hundred twelve".