12010240 has 72 divisors (see below), whose sum is σ = 31420368. Its totient is φ = 4362240.

The previous prime is 12010199. The next prime is 12010241. The reversal of 12010240 is 4201021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12010241) 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, 13654 + ... + 14506.

It is an arithmetic number, because the mean of its divisors is an integer number (436394).

Almost surely, 2^12010240 is an apocalyptic number.

12010240 is a gapful number since it is divisible by the number (10) 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 12010240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15710184).

12010240 is an abundant number, since it is smaller than the sum of its proper divisors (19410128).

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

12010240 is an equidigital number, since it uses as much as digits as its factorization.

12010240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12010240 is about 3465.5793166511. The cubic root of 12010240 is about 229.0079515173.

Adding to 12010240 its reverse (4201021), we get a palindrome (16211261).

The spelling of 12010240 in words is "twelve million, ten thousand, two hundred forty".