2421212200 has 96 divisors (see below), whose sum is σ = 6156927360. Its totient is φ = 878169600.

The previous prime is 2421212177. The next prime is 2421212219. The reversal of 2421212200 is 22121242.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017412 + ... + 1019788.

It is an arithmetic number, because the mean of its divisors is an integer number (64134660).

Almost surely, 2^2421212200 is an apocalyptic number.

2421212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3078463680).

2421212200 is an abundant number, since it is smaller than the sum of its proper divisors (3735715160).

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

2421212200 is a wasteful number, since it uses less digits than its factorization.

2421212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2421212200 is about 49205.8146970457. The cubic root of 2421212200 is about 1342.7988207872.

Adding to 2421212200 its reverse (22121242), we get a palindrome (2443333442).

The spelling of 2421212200 in words is "two billion, four hundred twenty-one million, two hundred twelve thousand, two hundred".