12303031230 has 144 divisors (see below), whose sum is σ = 37735442784. Its totient is φ = 2772443520.

The previous prime is 12303031219. The next prime is 12303031241. The reversal of 12303031230 is 3213030321.

It is an interprime number because it is at equal distance from previous prime (12303031219) and next prime (12303031241).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 293464 + ... + 332756.

It is an arithmetic number, because the mean of its divisors is an integer number (262051686).

Almost surely, 2^12303031230 is an apocalyptic number.

12303031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303031230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18867721392).

12303031230 is an abundant number, since it is smaller than the sum of its proper divisors (25432411554).

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

12303031230 is a wasteful number, since it uses less digits than its factorization.

12303031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39391 (or 39381 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12303031230 its reverse (3213030321), we get a palindrome (15516061551).

Subtracting from 12303031230 its reverse (3213030321), we obtain a palindrome (9090000909).

The spelling of 12303031230 in words is "twelve billion, three hundred three million, thirty-one thousand, two hundred thirty".