12802549812 has 24 divisors (see below), whose sum is σ = 32170510176. Its totient is φ = 3939246048.

The previous prime is 12802549729. The next prime is 12802549817. The reversal of 12802549812 is 21894520821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12802549817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41033658 + ... + 41033969.

It is an arithmetic number, because the mean of its divisors is an integer number (1340437924).

Almost surely, 2^12802549812 is an apocalyptic number.

12802549812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12802549812 is an abundant number, since it is smaller than the sum of its proper divisors (19367960364).

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

12802549812 is a wasteful number, since it uses less digits than its factorization.

12802549812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82067647 (or 82067645 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 12802549812 in words is "twelve billion, eight hundred two million, five hundred forty-nine thousand, eight hundred twelve".