12428332347456 has 63 divisors (see below), whose sum is σ = 35623813188223. Its totient is φ = 4142749246080.

The previous prime is 12428332347437. The next prime is 12428332347479. The reversal of 12428332347456 is 65474323382421.

It is a happy number.

The square root of 12428332347456 is 3525384.

It is a perfect power (a square), and thus also a powerful number.

12428332347456 is a `hidden beast` number, since 1 + 2 + 42 + 83 + 3 + 2 + 3 + 474 + 56 = 666.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 84535771 + ... + 84682661.

Almost surely, 2^{12428332347456} is an apocalyptic number.

12428332347456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12428332347456 is the 3525384-th square number.

It is an amenable number.

12428332347456 is an abundant number, since it is smaller than the sum of its proper divisors (23195480840767).

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

12428332347456 is an frugal number, since it uses more digits than its factorization.

12428332347456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293800 (or 146896 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 54.

The spelling of 12428332347456 in words is "twelve trillion, four hundred twenty-eight billion, three hundred thirty-two million, three hundred forty-seven thousand, four hundred fifty-six".