1209952216103 has 2 divisors, whose sum is σ = 1209952216104. Its totient is φ = 1209952216102.

The previous prime is 1209952216063. The next prime is 1209952216111. The reversal of 1209952216103 is 3016122599021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1209952216103 - 2¹⁰ = 1209952215079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1209952206103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604976108051 + 604976108052.

It is an arithmetic number, because the mean of its divisors is an integer number (604976108052).

Almost surely, 2^{1209952216103} is an apocalyptic number.

1209952216103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1209952216103 is an equidigital number, since it uses as much as digits as its factorization.

1209952216103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 1209952216103 in words is "one trillion, two hundred nine billion, nine hundred fifty-two million, two hundred sixteen thousand, one hundred three".