212212020444 has 48 divisors (see below), whose sum is σ = 508610930688. Its totient is φ = 68816478528.

The previous prime is 212212020439. The next prime is 212212020479. The reversal of 212212020444 is 444020212212.

It is a happy number.

212212020444 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, 3908209 + ... + 3962135.

It is an arithmetic number, because the mean of its divisors is an integer number (10596061056).

Almost surely, 2^212212020444 is an apocalyptic number.

It is an amenable number.

212212020444 is an abundant number, since it is smaller than the sum of its proper divisors (296398910244).

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

212212020444 is a wasteful number, since it uses less digits than its factorization.

212212020444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62834 (or 62832 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 212212020444 its reverse (444020212212), we get a palindrome (656232232656).

The spelling of 212212020444 in words is "two hundred twelve billion, two hundred twelve million, twenty thousand, four hundred forty-four".