212183622671 has 4 divisors (see below), whose sum is σ = 212187991752. Its totient is φ = 212179253592.

The previous prime is 212183622649. The next prime is 212183622689. The reversal of 212183622671 is 176226381212.

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 212183622671 - 2³⁴ = 195003753487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212183622601) 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, 2110865 + ... + 2209098.

It is an arithmetic number, because the mean of its divisors is an integer number (53046997938).

Almost surely, 2^212183622671 is an apocalyptic number.

212183622671 is a deficient number, since it is larger than the sum of its proper divisors (4369081).

212183622671 is an equidigital number, since it uses as much as digits as its factorization.

212183622671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369080.

The product of its digits is 96768, while the sum is 41.

The spelling of 212183622671 in words is "two hundred twelve billion, one hundred eighty-three million, six hundred twenty-two thousand, six hundred seventy-one".