1223220000001 has 16 divisors (see below), whose sum is σ = 1229943081600. Its totient is φ = 1216519325568.

The previous prime is 1223219999977. The next prime is 1223220000011. The reversal of 1223220000001 is 1000000223221.

It is a cyclic number.

It is not a de Polignac number, because 1223220000001 - 2⁷ = 1223219999873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223220000011) 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, 353223796 + ... + 353227258.

It is an arithmetic number, because the mean of its divisors is an integer number (76871442600).

Almost surely, 2^{1223220000001} is an apocalyptic number.

It is an amenable number.

1223220000001 is a deficient number, since it is larger than the sum of its proper divisors (6723081599).

1223220000001 is a wasteful number, since it uses less digits than its factorization.

1223220000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1223220000001 its reverse (1000000223221), we get a palindrome (2223220223222).

The spelling of 1223220000001 in words is "one trillion, two hundred twenty-three billion, two hundred twenty million, one", and thus it is an aban number.