212104111424 has 56 divisors (see below), whose sum is σ = 451064059008. Its totient is φ = 98699420160.

The previous prime is 212104111403. The next prime is 212104111481. The reversal of 212104111424 is 424111401212.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 212104111424.

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, 1892732 + ... + 2001659.

Almost surely, 2^212104111424 is an apocalyptic number.

It is an amenable number.

212104111424 is an abundant number, since it is smaller than the sum of its proper divisors (238959947584).

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

212104111424 is a wasteful number, since it uses less digits than its factorization.

212104111424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894463 (or 3894453 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 212104111424 its reverse (424111401212), we get a palindrome (636215512636).

The spelling of 212104111424 in words is "two hundred twelve billion, one hundred four million, one hundred eleven thousand, four hundred twenty-four".