12121220963 has 2 divisors, whose sum is σ = 12121220964. Its totient is φ = 12121220962.

The previous prime is 12121220941. The next prime is 12121221011. The reversal of 12121220963 is 36902212121.

It is a weak prime.

It is an emirp because it is prime and its reverse (36902212121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12121220963 - 2⁸ = 12121220707 is a prime.

It is not a weakly prime, because it can be changed into another prime (12121220063) 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, 6060610481 + 6060610482.

It is an arithmetic number, because the mean of its divisors is an integer number (6060610482).

Almost surely, 2^12121220963 is an apocalyptic number.

12121220963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121220963 is an equidigital number, since it uses as much as digits as its factorization.

12121220963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 12121220963 in words is "twelve billion, one hundred twenty-one million, two hundred twenty thousand, nine hundred sixty-three".