12220000011 has 8 divisors (see below), whose sum is σ = 18103703760. Its totient is φ = 8146666656.

The previous prime is 12219999977. The next prime is 12220000057. The reversal of 12220000011 is 11000002221.

It is not a de Polignac number, because 12220000011 - 2⁶ = 12219999947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12219999948 and 12220000002.

It is not an unprimeable number, because it can be changed into a prime (12220000411) 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, 226296270 + ... + 226296323.

It is an arithmetic number, because the mean of its divisors is an integer number (2262962970).

Almost surely, 2^12220000011 is an apocalyptic number.

12220000011 is a deficient number, since it is larger than the sum of its proper divisors (5883703749).

12220000011 is an equidigital number, since it uses as much as digits as its factorization.

12220000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452592602 (or 452592596 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12220000011 its reverse (11000002221), we get a palindrome (23220002232).

The spelling of 12220000011 in words is "twelve billion, two hundred twenty million, eleven", and thus it is an aban number.