2005223012 has 12 divisors (see below), whose sum is σ = 3779074236. Its totient is φ = 925487520.

The previous prime is 2005222991. The next prime is 2005223021. The reversal of 2005223012 is 2103225002.

It can be written as a sum of positive squares in 2 ways, for example, as 1038386176 + 966836836 = 32224^2 + 31094^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19280939 + ... + 19281042.

It is an arithmetic number, because the mean of its divisors is an integer number (314922853).

Almost surely, 2^2005223012 is an apocalyptic number.

It is an amenable number.

2005223012 is a deficient number, since it is larger than the sum of its proper divisors (1773851224).

2005223012 is a wasteful number, since it uses less digits than its factorization.

2005223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38561998 (or 38561996 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2005223012 is about 44779.7165243372. The cubic root of 2005223012 is about 1261.0168603363.

Adding to 2005223012 its reverse (2103225002), we get a palindrome (4108448014).

The spelling of 2005223012 in words is "two billion, five million, two hundred twenty-three thousand, twelve".