212675671 has 4 divisors (see below), whose sum is σ = 229035352. Its totient is φ = 196315992.

The previous prime is 212675653. The next prime is 212675681. The reversal of 212675671 is 176576212.

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 212675671 - 2²³ = 204287063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212675671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212675681) 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, 8179821 + ... + 8179846.

It is an arithmetic number, because the mean of its divisors is an integer number (57258838).

Almost surely, 2^212675671 is an apocalyptic number.

212675671 is a deficient number, since it is larger than the sum of its proper divisors (16359681).

212675671 is a wasteful number, since it uses less digits than its factorization.

212675671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16359680.

The product of its digits is 35280, while the sum is 37.

The square root of 212675671 is about 14583.4039579242. The cubic root of 212675671 is about 596.9059901894.

The spelling of 212675671 in words is "two hundred twelve million, six hundred seventy-five thousand, six hundred seventy-one".