12835719220 has 12 divisors (see below), whose sum is σ = 26955010404. Its totient is φ = 5134287680.

The previous prime is 12835719187. The next prime is 12835719263. The reversal of 12835719220 is 2291753821.

It can be written as a sum of positive squares in 2 ways, for example, as 9997600144 + 2838119076 = 99988^2 + 53274^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320892961 + ... + 320893000.

It is an arithmetic number, because the mean of its divisors is an integer number (2246250867).

Almost surely, 2^12835719220 is an apocalyptic number.

12835719220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12835719220 is an abundant number, since it is smaller than the sum of its proper divisors (14119291184).

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

12835719220 is a wasteful number, since it uses less digits than its factorization.

12835719220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641785970 (or 641785968 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 12835719220 in words is "twelve billion, eight hundred thirty-five million, seven hundred nineteen thousand, two hundred twenty".