12220212220011 has 24 divisors (see below), whose sum is σ = 18650554518960. Its totient is φ = 7993094776992.

The previous prime is 12220212220001. The next prime is 12220212220019. The reversal of 12220212220011 is 11002221202221.

It is a happy number.

12220212220011 is a `hidden beast` number, since 1 + 2 + 220 + 212 + 220 + 0 + 11 = 666.

12220212220011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12220212220011 - 2⁵ = 12220212219979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220212220019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474411076 + ... + 474436833.

It is an arithmetic number, because the mean of its divisors is an integer number (777106438290).

Almost surely, 2^{12220212220011} is an apocalyptic number.

12220212220011 is a deficient number, since it is larger than the sum of its proper divisors (6430342298949).

12220212220011 is an frugal number, since it uses more digits than its factorization.

12220212220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948847977 (or 948847965 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220212220011 its reverse (11002221202221), we get a palindrome (23222433422232).

The spelling of 12220212220011 in words is "twelve trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty thousand, eleven".