12302220001 has 4 divisors (see below), whose sum is σ = 12302843652. Its totient is φ = 12301596352.

The previous prime is 12302219989. The next prime is 12302220011. The reversal of 12302220001 is 10002220321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10002220321 = 29 ⋅344904149.

It can be written as a sum of positive squares in 2 ways, for example, as 6332339776 + 5969880225 = 79576^2 + 77265^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302220001 - 2¹¹ = 12302217953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12302220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281236 + ... + 322021.

It is an arithmetic number, because the mean of its divisors is an integer number (3075710913).

Almost surely, 2^12302220001 is an apocalyptic number.

It is an amenable number.

12302220001 is a deficient number, since it is larger than the sum of its proper divisors (623651).

12302220001 is an equidigital number, since it uses as much as digits as its factorization.

12302220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623650.

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

Adding to 12302220001 its reverse (10002220321), we get a palindrome (22304440322).

The spelling of 12302220001 in words is "twelve billion, three hundred two million, two hundred twenty thousand, one".