12012256 has 48 divisors (see below), whose sum is σ = 26006400. Its totient is φ = 5436288.

The previous prime is 12012197. The next prime is 12012257. The reversal of 12012256 is 65221021.

12012256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13555 + ... + 14413.

It is an arithmetic number, because the mean of its divisors is an integer number (541800).

Almost surely, 2^12012256 is an apocalyptic number.

12012256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13003200).

12012256 is an abundant number, since it is smaller than the sum of its proper divisors (13994144).

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

12012256 is a wasteful number, since it uses less digits than its factorization.

12012256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12012256 is about 3465.8701649081. The cubic root of 12012256 is about 229.0207643116.

Adding to 12012256 its reverse (65221021), we get a palindrome (77233277).

The spelling of 12012256 in words is "twelve million, twelve thousand, two hundred fifty-six".