12123012200029 has 2 divisors, whose sum is σ = 12123012200030. Its totient is φ = 12123012200028.

The previous prime is 12123012200003. The next prime is 12123012200041. The reversal of 12123012200029 is 92000221032121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11509802612100 + 613209587929 = 3392610^2 + 783077^2 .

It is an emirp because it is prime and its reverse (92000221032121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12123012200029 - 2⁹ = 12123012199517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12123012199976 and 12123012200012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12123012230029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061506100014 + 6061506100015.

It is an arithmetic number, because the mean of its divisors is an integer number (6061506100015).

Almost surely, 2^{12123012200029} is an apocalyptic number.

It is an amenable number.

12123012200029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123012200029 is an equidigital number, since it uses as much as digits as its factorization.

12123012200029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 12123012200029 in words is "twelve trillion, one hundred twenty-three billion, twelve million, two hundred thousand, twenty-nine".