12312231030 has 48 divisors (see below), whose sum is σ = 34921967184. Its totient is φ = 2984783040.

The previous prime is 12312230951. The next prime is 12312231047. The reversal of 12312231030 is 3013221321.

12312231030 is a `hidden beast` number, since 12 + 312 + 2 + 310 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12312230994 and 12312231012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6217309 + ... + 6219288.

It is an arithmetic number, because the mean of its divisors is an integer number (727540983).

Almost surely, 2^12312231030 is an apocalyptic number.

12312231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312231030 is an abundant number, since it is smaller than the sum of its proper divisors (22609736154).

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

12312231030 is a wasteful number, since it uses less digits than its factorization.

12312231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12436621 (or 12436618 counting only the distinct ones).

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

Adding to 12312231030 its reverse (3013221321), we get a palindrome (15325452351).

It can be divided in two parts, 12312 and 231030, that added together give a palindrome (243342).

The spelling of 12312231030 in words is "twelve billion, three hundred twelve million, two hundred thirty-one thousand, thirty".