1213770601171 has 2 divisors, whose sum is σ = 1213770601172. Its totient is φ = 1213770601170.

The previous prime is 1213770601093. The next prime is 1213770601177. The reversal of 1213770601171 is 1711060773121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213770601171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213770601171.

It is not a weakly prime, because it can be changed into another prime (1213770601177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606885300585 + 606885300586.

It is an arithmetic number, because the mean of its divisors is an integer number (606885300586).

Almost surely, 2^{1213770601171} is an apocalyptic number.

1213770601171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213770601171 is an equidigital number, since it uses as much as digits as its factorization.

1213770601171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 37.

The spelling of 1213770601171 in words is "one trillion, two hundred thirteen billion, seven hundred seventy million, six hundred one thousand, one hundred seventy-one".