2182551212 has 6 divisors (see below), whose sum is σ = 3819464628. Its totient is φ = 1091275604.

The previous prime is 2182551211. The next prime is 2182551221. The reversal of 2182551212 is 2121552812.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2182551211) by changing a digit.

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 as a sum of consecutive naturals, namely, 272818898 + ... + 272818905.

It is an arithmetic number, because the mean of its divisors is an integer number (636577438).

Almost surely, 2^2182551212 is an apocalyptic number.

It is an amenable number.

2182551212 is a deficient number, since it is larger than the sum of its proper divisors (1636913416).

2182551212 is a wasteful number, since it uses less digits than its factorization.

2182551212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545637807 (or 545637805 counting only the distinct ones).

The product of its digits is 3200, while the sum is 29.

The square root of 2182551212 is about 46717.7826100512. The cubic root of 2182551212 is about 1297.1438700460.

It can be divided in two parts, 21825 and 51212, that added together give a palindrome (73037).

The spelling of 2182551212 in words is "two billion, one hundred eighty-two million, five hundred fifty-one thousand, two hundred twelve".