20012210212222 has 16 divisors (see below), whose sum is σ = 30025437906672. Its totient is φ = 10003731192000.

The previous prime is 20012210212207. The next prime is 20012210212231. The reversal of 20012210212222 is 22221201221002.

It is a self number, because there is not a number n which added to its sum of digits gives 20012210212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163636597 + ... + 163758847.

It is an arithmetic number, because the mean of its divisors is an integer number (1876589869167).

Almost surely, 2^{20012210212222} is an apocalyptic number.

20012210212222 is a deficient number, since it is larger than the sum of its proper divisors (10013227694450).

20012210212222 is a wasteful number, since it uses less digits than its factorization.

20012210212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141003.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20012210212222 its reverse (22221201221002), we get a palindrome (42233411433224).

The spelling of 20012210212222 in words is "twenty trillion, twelve billion, two hundred ten million, two hundred twelve thousand, two hundred twenty-two".