212042103303424 has 72 divisors (see below), whose sum is σ = 427915421676288. Its totient is φ = 104857160847360.

The previous prime is 212042103303419. The next prime is 212042103303427. The reversal of 212042103303424 is 424303301240212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212042103303427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10250484 + ... + 23003404.

It is an arithmetic number, because the mean of its divisors is an integer number (5943269745504).

Almost surely, 2^{212042103303424} 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 212042103303424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213957710838144).

212042103303424 is an abundant number, since it is smaller than the sum of its proper divisors (215873318372864).

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

212042103303424 is a wasteful number, since it uses less digits than its factorization.

212042103303424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753651 (or 12753637 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 212042103303424 its reverse (424303301240212), we get a palindrome (636345404543636).

The spelling of 212042103303424 in words is "two hundred twelve trillion, forty-two billion, one hundred three million, three hundred three thousand, four hundred twenty-four".