2113223212 has 24 divisors (see below), whose sum is σ = 3779080704. Its totient is φ = 1033512912.

The previous prime is 2113223207. The next prime is 2113223213. The reversal of 2113223212 is 2123223112.

It is a self number, because there is not a number n which added to its sum of digits gives 2113223212.

It is not an unprimeable number, because it can be changed into a prime (2113223213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597393 + ... + 600919.

It is an arithmetic number, because the mean of its divisors is an integer number (157461696).

Almost surely, 2^2113223212 is an apocalyptic number.

It is an amenable number.

2113223212 is a deficient number, since it is larger than the sum of its proper divisors (1665857492).

2113223212 is a wasteful number, since it uses less digits than its factorization.

2113223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765 (or 6763 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2113223212 is about 45969.8076132585. The cubic root of 2113223212 is about 1283.2613795530.

Adding to 2113223212 its reverse (2123223112), we get a palindrome (4236446324).

It can be divided in two parts, 21132 and 23212, that added together give a palindrome (44344).

The spelling of 2113223212 in words is "two billion, one hundred thirteen million, two hundred twenty-three thousand, two hundred twelve".