2012256 has 96 divisors (see below), whose sum is σ = 6259680. Its totient is φ = 626688.

The previous prime is 2012243. The next prime is 2012287. The reversal of 2012256 is 6522102.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14620 + ... + 14756.

It is an arithmetic number, because the mean of its divisors is an integer number (65205).

2^2012256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3129840).

2012256 is an abundant number, since it is smaller than the sum of its proper divisors (4247424).

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

2012256 is a wasteful number, since it uses less digits than its factorization.

2012256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2012256 is about 1418.5400946043. The cubic root of 2012256 is about 126.2489409446.

Adding to 2012256 its reverse (6522102), we get a palindrome (8534358).

The spelling of 2012256 in words is "two million, twelve thousand, two hundred fifty-six".