13421390112 has 144 divisors (see below), whose sum is σ = 43521037560. Its totient is φ = 3886718976.

The previous prime is 13421390111. The next prime is 13421390119. The reversal of 13421390112 is 21109312431.

13421390112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12976855056 + 444535056 = 113916^2 + 21084^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (13421390111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41787 + ... + 169082.

Almost surely, 2^13421390112 is an apocalyptic number.

13421390112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13421390112 is an abundant number, since it is smaller than the sum of its proper divisors (30099647448).

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

13421390112 is a wasteful number, since it uses less digits than its factorization.

13421390112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210915 (or 210904 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 13421390112 in words is "thirteen billion, four hundred twenty-one million, three hundred ninety thousand, one hundred twelve".