212281871471 has 2 divisors, whose sum is σ = 212281871472. Its totient is φ = 212281871470.

The previous prime is 212281871377. The next prime is 212281871479. The reversal of 212281871471 is 174178182212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212281871471 is a prime.

It is a super-3 number, since 3×212281871471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212281871479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106140935735 + 106140935736.

It is an arithmetic number, because the mean of its divisors is an integer number (106140935736).

Almost surely, 2^212281871471 is an apocalyptic number.

212281871471 is a deficient number, since it is larger than the sum of its proper divisors (1).

212281871471 is an equidigital number, since it uses as much as digits as its factorization.

212281871471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100352, while the sum is 44.

The spelling of 212281871471 in words is "two hundred twelve billion, two hundred eighty-one million, eight hundred seventy-one thousand, four hundred seventy-one".