13421420012 has 48 divisors (see below), whose sum is σ = 31535653632. Its totient is φ = 4826882880.

The previous prime is 13421420011. The next prime is 13421420027. The reversal of 13421420012 is 21002412431.

It is not an unprimeable number, because it can be changed into a prime (13421420011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671998 + ... + 1680005.

It is an arithmetic number, because the mean of its divisors is an integer number (656992784).

Almost surely, 2^13421420012 is an apocalyptic number.

It is an amenable number.

13421420012 is an abundant number, since it is smaller than the sum of its proper divisors (18114233620).

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

13421420012 is a wasteful number, since it uses less digits than its factorization.

13421420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352038 (or 3352036 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13421420012 its reverse (21002412431), we get a palindrome (34423832443).

The spelling of 13421420012 in words is "thirteen billion, four hundred twenty-one million, four hundred twenty thousand, twelve".