1212210998963 has 2 divisors, whose sum is σ = 1212210998964. Its totient is φ = 1212210998962.

The previous prime is 1212210998951. The next prime is 1212210998987. The reversal of 1212210998963 is 3698990122121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210998963 - 2¹⁰ = 1212210997939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212210998263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105499481 + 606105499482.

It is an arithmetic number, because the mean of its divisors is an integer number (606105499482).

Almost surely, 2^{1212210998963} is an apocalyptic number.

1212210998963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210998963 is an equidigital number, since it uses as much as digits as its factorization.

1212210998963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 1212210998963 in words is "one trillion, two hundred twelve billion, two hundred ten million, nine hundred ninety-eight thousand, nine hundred sixty-three".