212371471 has 4 divisors (see below), whose sum is σ = 228707752. Its totient is φ = 196035192.

The previous prime is 212371469. The next prime is 212371487. The reversal of 212371471 is 174173212.

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 212371471 - 2¹ = 212371469 is a prime.

It is a super-3 number, since 3×212371471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212371171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8168121 + ... + 8168146.

It is an arithmetic number, because the mean of its divisors is an integer number (57176938).

Almost surely, 2^212371471 is an apocalyptic number.

212371471 is a deficient number, since it is larger than the sum of its proper divisors (16336281).

212371471 is a wasteful number, since it uses less digits than its factorization.

212371471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16336280.

The product of its digits is 2352, while the sum is 28.

The square root of 212371471 is about 14572.9705619685. The cubic root of 212371471 is about 596.6212601687.

The spelling of 212371471 in words is "two hundred twelve million, three hundred seventy-one thousand, four hundred seventy-one".