12821461430 has 16 divisors (see below), whose sum is σ = 23823103104. Its totient is φ = 4963146240.

The previous prime is 12821461417. The next prime is 12821461439. The reversal of 12821461430 is 3416412821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12821461439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20679467 + ... + 20680086.

It is an arithmetic number, because the mean of its divisors is an integer number (1488943944).

Almost surely, 2^12821461430 is an apocalyptic number.

12821461430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12821461430 is a deficient number, since it is larger than the sum of its proper divisors (11001641674).

12821461430 is a wasteful number, since it uses less digits than its factorization.

12821461430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41359591.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 12821461430 in words is "twelve billion, eight hundred twenty-one million, four hundred sixty-one thousand, four hundred thirty".