12230232444 has 60 divisors (see below), whose sum is σ = 32109661584. Its totient is φ = 4059222336.

The previous prime is 12230232419. The next prime is 12230232523. The reversal of 12230232444 is 44423203221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5512 + ... + 156495.

Almost surely, 2^12230232444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12230232444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16054830792).

12230232444 is an abundant number, since it is smaller than the sum of its proper divisors (19879429140).

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

12230232444 is a wasteful number, since it uses less digits than its factorization.

12230232444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162256 (or 162245 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12230232444 its reverse (44423203221), we get a palindrome (56653435665).

The spelling of 12230232444 in words is "twelve billion, two hundred thirty million, two hundred thirty-two thousand, four hundred forty-four".