12420431330 has 16 divisors (see below), whose sum is σ = 22358821824. Its totient is φ = 4967718000.

The previous prime is 12420431329. The next prime is 12420431339. The reversal of 12420431330 is 3313402421.

12420431330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12420431330² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12420431296 and 12420431305.

It is not an unprimeable number, because it can be changed into a prime (12420431339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71819 + ... + 173201.

It is an arithmetic number, because the mean of its divisors is an integer number (1397426364).

Almost surely, 2^12420431330 is an apocalyptic number.

12420431330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12420431330 is a deficient number, since it is larger than the sum of its proper divisors (9938390494).

12420431330 is a wasteful number, since it uses less digits than its factorization.

12420431330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113641.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12420431330 its reverse (3313402421), we get a palindrome (15733833751).

The spelling of 12420431330 in words is "twelve billion, four hundred twenty million, four hundred thirty-one thousand, three hundred thirty".