10231211197 has 2 divisors, whose sum is σ = 10231211198. Its totient is φ = 10231211196.

The previous prime is 10231211173. The next prime is 10231211227. The reversal of 10231211197 is 79111213201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5363218756 + 4867992441 = 73234^2 + 69771^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231211197 - 2³¹ = 8083727549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10231211117) 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, 5115605598 + 5115605599.

It is an arithmetic number, because the mean of its divisors is an integer number (5115605599).

Almost surely, 2^10231211197 is an apocalyptic number.

It is an amenable number.

10231211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231211197 is an equidigital number, since it uses as much as digits as its factorization.

10231211197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 28.

Adding to 10231211197 its reverse (79111213201), we get a palindrome (89342424398).

The spelling of 10231211197 in words is "ten billion, two hundred thirty-one million, two hundred eleven thousand, one hundred ninety-seven".