12243310000 has 100 divisors (see below), whose sum is σ = 30129717904. Its totient is φ = 4816800000.

The previous prime is 12243309959. The next prime is 12243310007. The reversal of 12243310000 is 1334221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×12243310000² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (12243310007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 599965 + ... + 620035.

Almost surely, 2^12243310000 is an apocalyptic number.

12243310000 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 12243310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15064858952).

12243310000 is an abundant number, since it is smaller than the sum of its proper divisors (17886407904).

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

12243310000 is an equidigital number, since it uses as much as digits as its factorization.

12243310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20160 (or 20139 counting only the distinct ones).

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

Adding to 12243310000 its reverse (1334221), we get a palindrome (12244644221).

The spelling of 12243310000 in words is "twelve billion, two hundred forty-three million, three hundred ten thousand".