212604039822 has 16 divisors (see below), whose sum is σ = 425239979472. Its totient is φ = 70862696640.

The previous prime is 212604039673. The next prime is 212604039827. The reversal of 212604039822 is 228930406212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212604039827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242079 + ... + 1402842.

It is an arithmetic number, because the mean of its divisors is an integer number (26577498717).

Almost surely, 2^212604039822 is an apocalyptic number.

212604039822 is an abundant number, since it is smaller than the sum of its proper divisors (212635939650).

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

212604039822 is a wasteful number, since it uses less digits than its factorization.

212604039822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658323.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 212604039822 in words is "two hundred twelve billion, six hundred four million, thirty-nine thousand, eight hundred twenty-two".