271212784081 has 2 divisors, whose sum is σ = 271212784082. Its totient is φ = 271212784080.

The previous prime is 271212784079. The next prime is 271212784177. The reversal of 271212784081 is 180487212172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267867318481 + 3345465600 = 517559^2 + 57840^2 .

It is a cyclic number.

It is not a de Polignac number, because 271212784081 - 2¹ = 271212784079 is a prime.

It is a super-2 number, since 2×271212784081² (a number of 24 digits) contains 22 as substring.

Together with 271212784079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (271212784001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135606392040 + 135606392041.

It is an arithmetic number, because the mean of its divisors is an integer number (135606392041).

Almost surely, 2^271212784081 is an apocalyptic number.

It is an amenable number.

271212784081 is a deficient number, since it is larger than the sum of its proper divisors (1).

271212784081 is an equidigital number, since it uses as much as digits as its factorization.

271212784081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 43.

The spelling of 271212784081 in words is "two hundred seventy-one billion, two hundred twelve million, seven hundred eighty-four thousand, eighty-one".