212204021244 has 48 divisors (see below), whose sum is σ = 499297134336. Its totient is φ = 70142832000.

The previous prime is 212204021231. The next prime is 212204021257. The reversal of 212204021244 is 442120402212.

It is a happy number.

212204021244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212204021231) and next prime (212204021257).

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, 932104 + ... + 1137200.

It is an arithmetic number, because the mean of its divisors is an integer number (10402023632).

Almost surely, 2^212204021244 is an apocalyptic number.

It is an amenable number.

212204021244 is an abundant number, since it is smaller than the sum of its proper divisors (287093113092).

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

212204021244 is a wasteful number, since it uses less digits than its factorization.

212204021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205826 (or 205824 counting only the distinct ones).

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

Adding to 212204021244 its reverse (442120402212), we get a palindrome (654324423456).

The spelling of 212204021244 in words is "two hundred twelve billion, two hundred four million, twenty-one thousand, two hundred forty-four".