1210202013191 has 2 divisors, whose sum is σ = 1210202013192. Its totient is φ = 1210202013190.

The previous prime is 1210202013173. The next prime is 1210202013233. The reversal of 1210202013191 is 1913102020121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210202013191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210202013791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605101006595 + 605101006596.

It is an arithmetic number, because the mean of its divisors is an integer number (605101006596).

Almost surely, 2^{1210202013191} is an apocalyptic number.

1210202013191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210202013191 is an equidigital number, since it uses as much as digits as its factorization.

1210202013191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 1210202013191 in words is "one trillion, two hundred ten billion, two hundred two million, thirteen thousand, one hundred ninety-one".