2421122212 has 24 divisors (see below), whose sum is σ = 4254482232. Its totient is φ = 1205568000.

The previous prime is 2421122153. The next prime is 2421122239. The reversal of 2421122212 is 2122211242.

It can be written as a sum of positive squares in 4 ways, for example, as 88811776 + 2332310436 = 9424^2 + 48294^2 .

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 2421122212.

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 7 ways as a sum of consecutive naturals, for example, 1291708 + ... + 1293580.

It is an arithmetic number, because the mean of its divisors is an integer number (177270093).

Almost surely, 2^2421122212 is an apocalyptic number.

It is an amenable number.

2421122212 is a deficient number, since it is larger than the sum of its proper divisors (1833360020).

2421122212 is a wasteful number, since it uses less digits than its factorization.

2421122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039 (or 3037 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 2421122212 is about 49204.9002844229. The cubic root of 2421122212 is about 1342.7821848672.

Adding to 2421122212 its reverse (2122211242), we get a palindrome (4543333454).

The spelling of 2421122212 in words is "two billion, four hundred twenty-one million, one hundred twenty-two thousand, two hundred twelve".