12020222211 has 8 divisors (see below), whose sum is σ = 16723787520. Its totient is φ = 7665069192.

The previous prime is 12020222173. The next prime is 12020222219. The reversal of 12020222211 is 11222202021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12020222211 - 2⁷ = 12020222083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020222219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87102991 + ... + 87103128.

It is an arithmetic number, because the mean of its divisors is an integer number (2090473440).

Almost surely, 2^12020222211 is an apocalyptic number.

12020222211 is a deficient number, since it is larger than the sum of its proper divisors (4703565309).

12020222211 is a wasteful number, since it uses less digits than its factorization.

12020222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174206145.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12020222211 its reverse (11222202021), we get a palindrome (23242424232).

The spelling of 12020222211 in words is "twelve billion, twenty million, two hundred twenty-two thousand, two hundred eleven".