12103220029 has 2 divisors, whose sum is σ = 12103220030. Its totient is φ = 12103220028.

The previous prime is 12103219991. The next prime is 12103220033. The reversal of 12103220029 is 92002230121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9603020025 + 2500200004 = 97995^2 + 50002^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103220029 - 2¹¹ = 12103217981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12103219991 and 12103220009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103220099) 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 as a sum of consecutive naturals, namely, 6051610014 + 6051610015.

It is an arithmetic number, because the mean of its divisors is an integer number (6051610015).

Almost surely, 2^12103220029 is an apocalyptic number.

It is an amenable number.

12103220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103220029 is an equidigital number, since it uses as much as digits as its factorization.

12103220029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 12103220029 in words is "twelve billion, one hundred three million, two hundred twenty thousand, twenty-nine".