120012211202171 has 2 divisors, whose sum is σ = 120012211202172. Its totient is φ = 120012211202170.

The previous prime is 120012211202137. The next prime is 120012211202197. The reversal of 120012211202171 is 171202112210021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120012211202171 is a prime.

It is a super-2 number, since 2×120012211202171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120012211202671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006105601085 + 60006105601086.

It is an arithmetic number, because the mean of its divisors is an integer number (60006105601086).

Almost surely, 2^{120012211202171} is an apocalyptic number.

120012211202171 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012211202171 is an equidigital number, since it uses as much as digits as its factorization.

120012211202171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 120012211202171 its reverse (171202112210021), we get a palindrome (291214323412192).

The spelling of 120012211202171 in words is "one hundred twenty trillion, twelve billion, two hundred eleven million, two hundred two thousand, one hundred seventy-one".