12821936154 has 8 divisors (see below), whose sum is σ = 25643872320. Its totient is φ = 4273978716.

The previous prime is 12821936147. The next prime is 12821936159. The reversal of 12821936154 is 45163912821.

It is a sphenic number, since it is the product of 3 distinct primes.

12821936154 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12821936159) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1068494674 + ... + 1068494685.

It is an arithmetic number, because the mean of its divisors is an integer number (3205484040).

Almost surely, 2^12821936154 is an apocalyptic number.

12821936154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12821936154 is a wasteful number, since it uses less digits than its factorization.

12821936154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136989364.

The product of its digits is 103680, while the sum is 42.

The spelling of 12821936154 in words is "twelve billion, eight hundred twenty-one million, nine hundred thirty-six thousand, one hundred fifty-four".