1201121069243 has 2 divisors, whose sum is σ = 1201121069244. Its totient is φ = 1201121069242.

The previous prime is 1201121069143. The next prime is 1201121069273. The reversal of 1201121069243 is 3429601211021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201121069243 - 2¹² = 1201121065147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201121069273) 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, 600560534621 + 600560534622.

It is an arithmetic number, because the mean of its divisors is an integer number (600560534622).

Almost surely, 2^{1201121069243} is an apocalyptic number.

1201121069243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201121069243 is an equidigital number, since it uses as much as digits as its factorization.

1201121069243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 1201121069243 in words is "one trillion, two hundred one billion, one hundred twenty-one million, sixty-nine thousand, two hundred forty-three".