2551120212 has 24 divisors (see below), whose sum is σ = 5958100512. Its totient is φ = 849589600.

The previous prime is 2551120153. The next prime is 2551120267. The reversal of 2551120212 is 2120211552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84339 + ... + 110522.

It is an arithmetic number, because the mean of its divisors is an integer number (248254188).

Almost surely, 2^2551120212 is an apocalyptic number.

It is an amenable number.

2551120212 is an abundant number, since it is smaller than the sum of its proper divisors (3406980300).

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

2551120212 is a wasteful number, since it uses less digits than its factorization.

2551120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195959 (or 195957 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2551120212 is about 50508.6152255237. The cubic root of 2551120212 is about 1366.3972350350.

Adding to 2551120212 its reverse (2120211552), we get a palindrome (4671331764).

The spelling of 2551120212 in words is "two billion, five hundred fifty-one million, one hundred twenty thousand, two hundred twelve".