12312430012 has 48 divisors (see below), whose sum is σ = 23001495552. Its totient is φ = 5753341440.

The previous prime is 12312430003. The next prime is 12312430019. The reversal of 12312430012 is 21003421321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312430019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2907937 + ... + 2912167.

It is an arithmetic number, because the mean of its divisors is an integer number (479197824).

Almost surely, 2^12312430012 is an apocalyptic number.

It is an amenable number.

12312430012 is a deficient number, since it is larger than the sum of its proper divisors (10689065540).

12312430012 is a wasteful number, since it uses less digits than its factorization.

12312430012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978 (or 4976 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12312430012 its reverse (21003421321), we get a palindrome (33315851333).

The spelling of 12312430012 in words is "twelve billion, three hundred twelve million, four hundred thirty thousand, twelve".