210212401404 has 12 divisors (see below), whose sum is σ = 490495603304. Its totient is φ = 70070800464.

The previous prime is 210212401391. The next prime is 210212401429. The reversal of 210212401404 is 404104212012.

210212401404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8758850047 + ... + 8758850070.

Almost surely, 2^210212401404 is an apocalyptic number.

It is an amenable number.

210212401404 is an abundant number, since it is smaller than the sum of its proper divisors (280283201900).

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

210212401404 is a wasteful number, since it uses less digits than its factorization.

210212401404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517700124 (or 17517700122 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 210212401404 its reverse (404104212012), we get a palindrome (614316613416).

The spelling of 210212401404 in words is "two hundred ten billion, two hundred twelve million, four hundred one thousand, four hundred four".