12821332722606 has 48 divisors (see below), whose sum is σ = 28011267165024. Its totient is φ = 4238193964032.

The previous prime is 12821332722571. The next prime is 12821332722631. The reversal of 12821332722606 is 60622723312821.

12821332722606 is a `hidden beast` number, since 1 + 2 + 8 + 2 + 1 + 3 + 32 + 7 + 2 + 2 + 606 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303715 + ... + 5072958.

It is an arithmetic number, because the mean of its divisors is an integer number (583568065938).

Almost surely, 2^{12821332722606} is an apocalyptic number.

12821332722606 is an abundant number, since it is smaller than the sum of its proper divisors (15189934442418).

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

12821332722606 is a wasteful number, since it uses less digits than its factorization.

12821332722606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377785 (or 5377782 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 12821332722606 in words is "twelve trillion, eight hundred twenty-one billion, three hundred thirty-two million, seven hundred twenty-two thousand, six hundred six".