12420134201963 has 2 divisors, whose sum is σ = 12420134201964. Its totient is φ = 12420134201962.

The previous prime is 12420134201947. The next prime is 12420134202013. The reversal of 12420134201963 is 36910243102421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12420134201963 - 2⁴ = 12420134201947 is a prime.

It is not a weakly prime, because it can be changed into another prime (12420134201263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210067100981 + 6210067100982.

It is an arithmetic number, because the mean of its divisors is an integer number (6210067100982).

Almost surely, 2^{12420134201963} is an apocalyptic number.

12420134201963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12420134201963 is an equidigital number, since it uses as much as digits as its factorization.

12420134201963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 12420134201963 in words is "twelve trillion, four hundred twenty billion, one hundred thirty-four million, two hundred one thousand, nine hundred sixty-three".