212107085 has 8 divisors (see below), whose sum is σ = 255429600. Its totient is φ = 169084944.

The previous prime is 212107067. The next prime is 212107139. The reversal of 212107085 is 580701212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212107085 - 2¹⁶ = 212041549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73535 + ... + 76364.

It is an arithmetic number, because the mean of its divisors is an integer number (31928700).

Almost surely, 2^212107085 is an apocalyptic number.

It is an amenable number.

212107085 is a deficient number, since it is larger than the sum of its proper divisors (43322515).

212107085 is a wasteful number, since it uses less digits than its factorization.

212107085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150187.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 212107085 is about 14563.8966283066. The cubic root of 212107085 is about 596.3735749682.

Adding to 212107085 its reverse (580701212), we get a palindrome (792808297).

The spelling of 212107085 in words is "two hundred twelve million, one hundred seven thousand, eighty-five".