12821402840100 has 36 divisors (see below), whose sum is σ = 37096592218224. Its totient is φ = 3419040757280.

The previous prime is 12821402840089. The next prime is 12821402840101. The reversal of 12821402840100 is 104820412821.

It is not an unprimeable number, because it can be changed into a prime (12821402840101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21369004434 + ... + 21369005033.

Almost surely, 2^{12821402840100} is an apocalyptic number.

12821402840100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12821402840100 is an abundant number, since it is smaller than the sum of its proper divisors (24275189378124).

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

12821402840100 is a wasteful number, since it uses less digits than its factorization.

12821402840100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42738009484 (or 42738009477 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The spelling of 12821402840100 in words is "twelve trillion, eight hundred twenty-one billion, four hundred two million, eight hundred forty thousand, one hundred".