1201122199993 has 2 divisors, whose sum is σ = 1201122199994. Its totient is φ = 1201122199992.

The previous prime is 1201122199987. The next prime is 1201122200023. The reversal of 1201122199993 is 3999912211021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1196328437824 + 4793762169 = 1093768^2 + 69237^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201122199993 - 2²⁹ = 1200585329081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201122199973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600561099996 + 600561099997.

It is an arithmetic number, because the mean of its divisors is an integer number (600561099997).

Almost surely, 2^{1201122199993} is an apocalyptic number.

It is an amenable number.

1201122199993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201122199993 is an equidigital number, since it uses as much as digits as its factorization.

1201122199993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 49.

The spelling of 1201122199993 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred ninety-nine thousand, nine hundred ninety-three".