212224520544 has 48 divisors (see below), whose sum is σ = 564141150720. Its totient is φ = 69846042240.

The previous prime is 212224520537. The next prime is 212224520621. The reversal of 212224520544 is 445025422212.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13984012 + ... + 13999179.

It is an arithmetic number, because the mean of its divisors is an integer number (11752940640).

Almost surely, 2^212224520544 is an apocalyptic number.

212224520544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212224520544 is an abundant number, since it is smaller than the sum of its proper divisors (351916630176).

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

212224520544 is a wasteful number, since it uses less digits than its factorization.

212224520544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27983283 (or 27983275 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 212224520544 its reverse (445025422212), we get a palindrome (657249942756).

The spelling of 212224520544 in words is "two hundred twelve billion, two hundred twenty-four million, five hundred twenty thousand, five hundred forty-four".