1211209998059 has 2 divisors, whose sum is σ = 1211209998060. Its totient is φ = 1211209998058.

The previous prime is 1211209998001. The next prime is 1211209998083. The reversal of 1211209998059 is 9508999021121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211209998059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211209997995 and 1211209998013.

It is not a weakly prime, because it can be changed into another prime (1211209998659) 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, 605604999029 + 605604999030.

It is an arithmetic number, because the mean of its divisors is an integer number (605604999030).

Almost surely, 2^{1211209998059} is an apocalyptic number.

1211209998059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211209998059 is an equidigital number, since it uses as much as digits as its factorization.

1211209998059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 56.

The spelling of 1211209998059 in words is "one trillion, two hundred eleven billion, two hundred nine million, nine hundred ninety-eight thousand, fifty-nine".