12821022108358 has 16 divisors (see below), whose sum is σ = 20302058387520. Its totient is φ = 6055613954856.

The previous prime is 12821022108353. The next prime is 12821022108379. The reversal of 12821022108358 is 85380122012821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12821022108353) 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, 486147216 + ... + 486173587.

It is an arithmetic number, because the mean of its divisors is an integer number (1268878649220).

Almost surely, 2^{12821022108358} is an apocalyptic number.

12821022108358 is a deficient number, since it is larger than the sum of its proper divisors (7481036279162).

12821022108358 is a wasteful number, since it uses less digits than its factorization.

12821022108358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972321171.

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 12821022108358 in words is "twelve trillion, eight hundred twenty-one billion, twenty-two million, one hundred eight thousand, three hundred fifty-eight".