212441343424 has 56 divisors (see below), whose sum is σ = 430582273200. Its totient is φ = 103963914240.

The previous prime is 212441343379. The next prime is 212441343449. The reversal of 212441343424 is 424343144212.

It is a self number, because there is not a number n which added to its sum of digits gives 212441343424.

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, 741864 + ... + 987544.

Almost surely, 2^212441343424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212441343424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215291136600).

212441343424 is an abundant number, since it is smaller than the sum of its proper divisors (218140929776).

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

212441343424 is a wasteful number, since it uses less digits than its factorization.

212441343424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245981 (or 245971 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

Adding to 212441343424 its reverse (424343144212), we get a palindrome (636784487636).

The spelling of 212441343424 in words is "two hundred twelve billion, four hundred forty-one million, three hundred forty-three thousand, four hundred twenty-four".