12104220001 has 2 divisors, whose sum is σ = 12104220002. Its totient is φ = 12104220000.

The previous prime is 12104219993. The next prime is 12104220017. The reversal of 12104220001 is 10002240121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12100220001 + 4000000 = 110001^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 12104220001 - 2³ = 12104219993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12104220101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052110000 + 6052110001.

It is an arithmetic number, because the mean of its divisors is an integer number (6052110001).

Almost surely, 2^12104220001 is an apocalyptic number.

It is an amenable number.

12104220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12104220001 is an equidigital number, since it uses as much as digits as its factorization.

12104220001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12104220001 its reverse (10002240121), we get a palindrome (22106460122).

The spelling of 12104220001 in words is "twelve billion, one hundred four million, two hundred twenty thousand, one".