1202231113217 has 2 divisors, whose sum is σ = 1202231113218. Its totient is φ = 1202231113216.

The previous prime is 1202231113151. The next prime is 1202231113247. The reversal of 1202231113217 is 7123111322021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199690852416 + 2540260801 = 1095304^2 + 50401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202231113217 - 2²² = 1202226918913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202231113247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601115556608 + 601115556609.

It is an arithmetic number, because the mean of its divisors is an integer number (601115556609).

Almost surely, 2^{1202231113217} is an apocalyptic number.

It is an amenable number.

1202231113217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202231113217 is an equidigital number, since it uses as much as digits as its factorization.

1202231113217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 1202231113217 its reverse (7123111322021), we get a palindrome (8325342435238).

The spelling of 1202231113217 in words is "one trillion, two hundred two billion, two hundred thirty-one million, one hundred thirteen thousand, two hundred seventeen".