212256313404 has 48 divisors (see below), whose sum is σ = 521549952000. Its totient is φ = 67000196736.

The previous prime is 212256313393. The next prime is 212256313417. The reversal of 212256313404 is 404313652212.

212256313404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 352944 + ... + 741000.

It is an arithmetic number, because the mean of its divisors is an integer number (10865624000).

Almost surely, 2^212256313404 is an apocalyptic number.

It is an amenable number.

212256313404 is an abundant number, since it is smaller than the sum of its proper divisors (309293638596).

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

212256313404 is a wasteful number, since it uses less digits than its factorization.

212256313404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390482 (or 390480 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 212256313404 its reverse (404313652212), we get a palindrome (616569965616).

The spelling of 212256313404 in words is "two hundred twelve billion, two hundred fifty-six million, three hundred thirteen thousand, four hundred four".