12010320 has 120 divisors (see below), whose sum is σ = 46116096. Its totient is φ = 2744064.

The previous prime is 12010319. The next prime is 12010357. The reversal of 12010320 is 2301021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3849 + ... + 6231.

Almost surely, 2^12010320 is an apocalyptic number.

12010320 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 12010320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23058048).

12010320 is an abundant number, since it is smaller than the sum of its proper divisors (34105776).

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

12010320 is a wasteful number, since it uses less digits than its factorization.

12010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12010320 is about 3465.5908587137. The cubic root of 12010320 is about 229.0084599889.

Adding to 12010320 its reverse (2301021), we get a palindrome (14311341).

It can be divided in two parts, 120 and 10320, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 12010320 in words is "twelve million, ten thousand, three hundred twenty".