12220420411 has 2 divisors, whose sum is σ = 12220420412. Its totient is φ = 12220420410.

The previous prime is 12220420409. The next prime is 12220420439. The reversal of 12220420411 is 11402402221.

12220420411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220420411 - 2¹ = 12220420409 is a prime.

Together with 12220420409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12220420481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110210205 + 6110210206.

It is an arithmetic number, because the mean of its divisors is an integer number (6110210206).

Almost surely, 2^12220420411 is an apocalyptic number.

12220420411 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220420411 is an equidigital number, since it uses as much as digits as its factorization.

12220420411 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12220420411 its reverse (11402402221), we get a palindrome (23622822632).

The spelling of 12220420411 in words is "twelve billion, two hundred twenty million, four hundred twenty thousand, four hundred eleven".