2556441212 has 12 divisors (see below), whose sum is σ = 4817908536. Its totient is φ = 1179895920.

The previous prime is 2556441197. The next prime is 2556441221. The reversal of 2556441212 is 2121446552.

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, 24581114 + ... + 24581217.

It is an arithmetic number, because the mean of its divisors is an integer number (401492378).

Almost surely, 2^2556441212 is an apocalyptic number.

It is an amenable number.

2556441212 is a deficient number, since it is larger than the sum of its proper divisors (2261467324).

2556441212 is a wasteful number, since it uses less digits than its factorization.

2556441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49162348 (or 49162346 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 2556441212 is about 50561.2619700102. The cubic root of 2556441212 is about 1367.3465631794.

Adding to 2556441212 its reverse (2121446552), we get a palindrome (4677887764).

The spelling of 2556441212 in words is "two billion, five hundred fifty-six million, four hundred forty-one thousand, two hundred twelve".