12010430320 has 80 divisors (see below), whose sum is σ = 32040949248. Its totient is φ = 4101408000.

The previous prime is 12010430303. The next prime is 12010430321. The reversal of 12010430320 is 2303401021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12010430294 and 12010430303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010430321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97837 + ... + 183283.

Almost surely, 2^12010430320 is an apocalyptic number.

12010430320 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 12010430320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16020474624).

12010430320 is an abundant number, since it is smaller than the sum of its proper divisors (20030518928).

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

12010430320 is a wasteful number, since it uses less digits than its factorization.

12010430320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85718 (or 85712 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12010430320 its reverse (2303401021), we get a palindrome (14313831341).

The spelling of 12010430320 in words is "twelve billion, ten million, four hundred thirty thousand, three hundred twenty".