1213434100171 has 2 divisors, whose sum is σ = 1213434100172. Its totient is φ = 1213434100170.

The previous prime is 1213434100049. The next prime is 1213434100247. The reversal of 1213434100171 is 1710014343121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213434100171 - 2¹³ = 1213434091979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213434100271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606717050085 + 606717050086.

It is an arithmetic number, because the mean of its divisors is an integer number (606717050086).

Almost surely, 2^{1213434100171} is an apocalyptic number.

1213434100171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213434100171 is an equidigital number, since it uses as much as digits as its factorization.

1213434100171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 1213434100171 its reverse (1710014343121), we get a palindrome (2923448443292).

The spelling of 1213434100171 in words is "one trillion, two hundred thirteen billion, four hundred thirty-four million, one hundred thousand, one hundred seventy-one".