271212071 has 4 divisors (see below), whose sum is σ = 292074552. Its totient is φ = 250349592.

The previous prime is 271212049. The next prime is 271212083. The reversal of 271212071 is 170212172.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271212071 is a prime.

It is a super-2 number, since 2×271212071² = 147111974912218082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271212041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10431221 + ... + 10431246.

It is an arithmetic number, because the mean of its divisors is an integer number (73018638).

Almost surely, 2^271212071 is an apocalyptic number.

271212071 is a deficient number, since it is larger than the sum of its proper divisors (20862481).

271212071 is a wasteful number, since it uses less digits than its factorization.

271212071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20862480.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 271212071 is about 16468.5175714149. The cubic root of 271212071 is about 647.2961218156.

It can be divided in two parts, 27121 and 2071, that added together give a palindrome (29192).

The spelling of 271212071 in words is "two hundred seventy-one million, two hundred twelve thousand, seventy-one".