12122022211 has 16 divisors (see below), whose sum is σ = 13746910240. Its totient is φ = 10596510720.

The previous prime is 12122022191. The next prime is 12122022221. The reversal of 12122022211 is 11222022121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12122022211 - 2⁵ = 12122022179 is a prime.

It is a super-3 number, since 3×12122022211³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122022221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748051 + ... + 764083.

It is an arithmetic number, because the mean of its divisors is an integer number (859181890).

Almost surely, 2^12122022211 is an apocalyptic number.

12122022211 is a deficient number, since it is larger than the sum of its proper divisors (1624888029).

12122022211 is a wasteful number, since it uses less digits than its factorization.

12122022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19126.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122022211 its reverse (11222022121), we get a palindrome (23344044332).

The spelling of 12122022211 in words is "twelve billion, one hundred twenty-two million, twenty-two thousand, two hundred eleven".