2421212124 has 12 divisors (see below), whose sum is σ = 5649494984. Its totient is φ = 807070704.

The previous prime is 2421212119. The next prime is 2421212153. The reversal of 2421212124 is 4212121242.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2421212124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100883827 + ... + 100883850.

Almost surely, 2^2421212124 is an apocalyptic number.

It is an amenable number.

2421212124 is an abundant number, since it is smaller than the sum of its proper divisors (3228282860).

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

2421212124 is a wasteful number, since it uses less digits than its factorization.

2421212124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201767684 (or 201767682 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 2421212124 is about 49205.8139247793. The cubic root of 2421212124 is about 1342.7988067374.

Adding to 2421212124 its reverse (4212121242), we get a palindrome (6633333366).

It can be divided in two parts, 2 and 421212124, that multiplied together give a palindrome (842424248).

The spelling of 2421212124 in words is "two billion, four hundred twenty-one million, two hundred twelve thousand, one hundred twenty-four".