12270070210171 has 4 divisors (see below), whose sum is σ = 12270088413712. Its totient is φ = 12270052006632.

The previous prime is 12270070210163. The next prime is 12270070210217. The reversal of 12270070210171 is 17101207007221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12270070210171 - 2³ = 12270070210163 is a prime.

It is a super-2 number, since 2×12270070210171² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12270070210471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8050200 + ... + 9452293.

It is an arithmetic number, because the mean of its divisors is an integer number (3067522103428).

Almost surely, 2^{12270070210171} is an apocalyptic number.

12270070210171 is a deficient number, since it is larger than the sum of its proper divisors (18203541).

12270070210171 is an equidigital number, since it uses as much as digits as its factorization.

12270070210171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18203540.

The product of its (nonzero) digits is 2744, while the sum is 31.

Adding to 12270070210171 its reverse (17101207007221), we get a palindrome (29371277217392).

The spelling of 12270070210171 in words is "twelve trillion, two hundred seventy billion, seventy million, two hundred ten thousand, one hundred seventy-one".