1203230213117 has 2 divisors, whose sum is σ = 1203230213118. Its totient is φ = 1203230213116.

The previous prime is 1203230213083. The next prime is 1203230213131. The reversal of 1203230213117 is 7113120323021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613988213476 + 589241999641 = 783574^2 + 767621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203230213117 - 2²⁴ = 1203213435901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203230213137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601615106558 + 601615106559.

It is an arithmetic number, because the mean of its divisors is an integer number (601615106559).

Almost surely, 2^{1203230213117} is an apocalyptic number.

It is an amenable number.

1203230213117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203230213117 is an equidigital number, since it uses as much as digits as its factorization.

1203230213117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 1203230213117 its reverse (7113120323021), we get a palindrome (8316350536138).

The spelling of 1203230213117 in words is "one trillion, two hundred three billion, two hundred thirty million, two hundred thirteen thousand, one hundred seventeen".