12230310312 has 128 divisors (see below), whose sum is σ = 37354291200. Its totient is φ = 3676881600.

The previous prime is 12230310277. The next prime is 12230310347. The reversal of 12230310312 is 21301303221.

12230310312 is a `hidden beast` number, since 12 + 2 + 30 + 310 + 312 = 666.

It is an interprime number because it is at equal distance from previous prime (12230310277) and next prime (12230310347).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281487 + ... + 322017.

It is an arithmetic number, because the mean of its divisors is an integer number (291830400).

Almost surely, 2^12230310312 is an apocalyptic number.

12230310312 is a gapful number since it is divisible by the number (12) 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 12230310312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18677145600).

12230310312 is an abundant number, since it is smaller than the sum of its proper divisors (25123980888).

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

12230310312 is a wasteful number, since it uses less digits than its factorization.

12230310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40684 (or 40674 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12230310312 its reverse (21301303221), we get a palindrome (33531613533).

The spelling of 12230310312 in words is "twelve billion, two hundred thirty million, three hundred ten thousand, three hundred twelve".