2551045212 has 24 divisors (see below), whose sum is σ = 6613821200. Its totient is φ = 850348368.

The previous prime is 2551045201. The next prime is 2551045213. The reversal of 2551045212 is 2125401552.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551045213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11810287 + ... + 11810502.

Almost surely, 2^2551045212 is an apocalyptic number.

It is an amenable number.

2551045212 is an abundant number, since it is smaller than the sum of its proper divisors (4062775988).

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

2551045212 is a wasteful number, since it uses less digits than its factorization.

2551045212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23620802 (or 23620794 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2551045212 is about 50507.8727724698. The cubic root of 2551045212 is about 1366.3838447347.

Adding to 2551045212 its reverse (2125401552), we get a palindrome (4676446764).

The spelling of 2551045212 in words is "two billion, five hundred fifty-one million, forty-five thousand, two hundred twelve".