210420013012 has 18 divisors (see below), whose sum is σ = 404754199514. Its totient is φ = 95645460240.

The previous prime is 210420012997. The next prime is 210420013019. The reversal of 210420013012 is 210310024012.

210420013012 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 only one way, i.e., 115053926416 + 95366086596 = 339196^2 + 308814^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210420013019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217375563 + ... + 217376530.

Almost surely, 2^210420013012 is an apocalyptic number.

210420013012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210420013012 is a deficient number, since it is larger than the sum of its proper divisors (194334186502).

210420013012 is a wasteful number, since it uses less digits than its factorization.

210420013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434752119 (or 434752106 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210420013012 its reverse (210310024012), we get a palindrome (420730037024).

The spelling of 210420013012 in words is "two hundred ten billion, four hundred twenty million, thirteen thousand, twelve".