12430420320 has 48 divisors (see below), whose sum is σ = 39155825520. Its totient is φ = 3314778624.

The previous prime is 12430420313. The next prime is 12430420351. The reversal of 12430420320 is 2302403421.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12947875 + ... + 12948834.

It is an arithmetic number, because the mean of its divisors is an integer number (815746365).

Almost surely, 2^12430420320 is an apocalyptic number.

12430420320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430420320 is an abundant number, since it is smaller than the sum of its proper divisors (26725405200).

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

12430420320 is a wasteful number, since it uses less digits than its factorization.

12430420320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25896727 (or 25896719 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12430420320 its reverse (2302403421), we get a palindrome (14732823741).

The spelling of 12430420320 in words is "twelve billion, four hundred thirty million, four hundred twenty thousand, three hundred twenty".