1212210996103 has 2 divisors, whose sum is σ = 1212210996104. Its totient is φ = 1212210996102.

The previous prime is 1212210996083. The next prime is 1212210996167. The reversal of 1212210996103 is 3016990122121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210996103 - 2¹⁷ = 1212210865031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210996203) 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, 606105498051 + 606105498052.

It is an arithmetic number, because the mean of its divisors is an integer number (606105498052).

Almost surely, 2^{1212210996103} is an apocalyptic number.

1212210996103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210996103 is an equidigital number, since it uses as much as digits as its factorization.

1212210996103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 1212210996103 in words is "one trillion, two hundred twelve billion, two hundred ten million, nine hundred ninety-six thousand, one hundred three".