12230331012 has 72 divisors (see below), whose sum is σ = 32749438176. Its totient is φ = 3835171584.

The previous prime is 12230331007. The next prime is 12230331049. The reversal of 12230331012 is 21013303221.

It is a super-3 number, since 3×12230331012³ (a number of 31 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 2020863 + ... + 2026905.

It is an arithmetic number, because the mean of its divisors is an integer number (454853308).

Almost surely, 2^12230331012 is an apocalyptic number.

12230331012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12230331012 is an abundant number, since it is smaller than the sum of its proper divisors (20519107164).

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

12230331012 is a wasteful number, since it uses less digits than its factorization.

12230331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377 (or 9372 counting only the distinct ones).

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

Adding to 12230331012 its reverse (21013303221), we get a palindrome (33243634233).

The spelling of 12230331012 in words is "twelve billion, two hundred thirty million, three hundred thirty-one thousand, twelve".