212544436404 has 36 divisors (see below), whose sum is σ = 508328116352. Its totient is φ = 69120135360.

The previous prime is 212544436319. The next prime is 212544436411. The reversal of 212544436404 is 404634445212.

212544436404 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 11 ways as a sum of consecutive naturals, for example, 5248132 + ... + 5288475.

Almost surely, 2^212544436404 is an apocalyptic number.

It is an amenable number.

212544436404 is an abundant number, since it is smaller than the sum of its proper divisors (295783679948).

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

212544436404 is a wasteful number, since it uses less digits than its factorization.

212544436404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536696 (or 10536653 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

The spelling of 212544436404 in words is "two hundred twelve billion, five hundred forty-four million, four hundred thirty-six thousand, four hundred four".