1230203222291 has 2 divisors, whose sum is σ = 1230203222292. Its totient is φ = 1230203222290.

The previous prime is 1230203222267. The next prime is 1230203222333. The reversal of 1230203222291 is 1922223020321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230203222291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230203225291) 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, 615101611145 + 615101611146.

It is an arithmetic number, because the mean of its divisors is an integer number (615101611146).

Almost surely, 2^{1230203222291} is an apocalyptic number.

1230203222291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230203222291 is an equidigital number, since it uses as much as digits as its factorization.

1230203222291 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 29.

The spelling of 1230203222291 in words is "one trillion, two hundred thirty billion, two hundred three million, two hundred twenty-two thousand, two hundred ninety-one".