212442320024 has 64 divisors (see below), whose sum is σ = 442804471200. Its totient is φ = 94736563200.

The previous prime is 212442320023. The next prime is 212442320059. The reversal of 212442320024 is 420023244212.

It is a junction number, because it is equal to n+sod(n) for n = 212442319975 and 212442320002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212442320023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037284 + ... + 2139020.

Almost surely, 2^212442320024 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 212442320024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221402235600).

212442320024 is an abundant number, since it is smaller than the sum of its proper divisors (230362151176).

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

212442320024 is a wasteful number, since it uses less digits than its factorization.

212442320024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102204 (or 102200 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 212442320024 its reverse (420023244212), we get a palindrome (632465564236).

The spelling of 212442320024 in words is "two hundred twelve billion, four hundred forty-two million, three hundred twenty thousand, twenty-four".