12123013320953 has 2 divisors, whose sum is σ = 12123013320954. Its totient is φ = 12123013320952.

The previous prime is 12123013320949. The next prime is 12123013321121. The reversal of 12123013320953 is 35902331032121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6110645568784 + 6012367752169 = 2471972^2 + 2452013^2 .

It is a cyclic number.

It is not a de Polignac number, because 12123013320953 - 2² = 12123013320949 is a prime.

It is not a weakly prime, because it can be changed into another prime (12123013320853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061506660476 + 6061506660477.

It is an arithmetic number, because the mean of its divisors is an integer number (6061506660477).

Almost surely, 2^{12123013320953} is an apocalyptic number.

It is an amenable number.

12123013320953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123013320953 is an equidigital number, since it uses as much as digits as its factorization.

12123013320953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 12123013320953 in words is "twelve trillion, one hundred twenty-three billion, thirteen million, three hundred twenty thousand, nine hundred fifty-three".