12103220112001 has 2 divisors, whose sum is σ = 12103220112002. Its totient is φ = 12103220112000.

The previous prime is 12103220111987. The next prime is 12103220112059. The reversal of 12103220112001 is 10021102230121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7829391591025 + 4273828520976 = 2798105^2 + 2067324^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103220112001 - 2¹⁹ = 12103219587713 is a prime.

It is not a weakly prime, because it can be changed into another prime (12103220112901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051610056000 + 6051610056001.

It is an arithmetic number, because the mean of its divisors is an integer number (6051610056001).

Almost surely, 2^{12103220112001} is an apocalyptic number.

It is an amenable number.

12103220112001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103220112001 is an equidigital number, since it uses as much as digits as its factorization.

12103220112001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12103220112001 its reverse (10021102230121), we get a palindrome (22124322342122).

The spelling of 12103220112001 in words is "twelve trillion, one hundred three billion, two hundred twenty million, one hundred twelve thousand, one".