212744085 has 16 divisors (see below), whose sum is σ = 340658880. Its totient is φ = 113374080.

The previous prime is 212744071. The next prime is 212744099. The reversal of 212744085 is 580447212.

It is an interprime number because it is at equal distance from previous prime (212744071) and next prime (212744099).

It is not a de Polignac number, because 212744085 - 2⁵ = 212744053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17025 + ... + 26745.

It is an arithmetic number, because the mean of its divisors is an integer number (21291180).

Almost surely, 2^212744085 is an apocalyptic number.

It is an amenable number.

212744085 is a deficient number, since it is larger than the sum of its proper divisors (127914795).

212744085 is a wasteful number, since it uses less digits than its factorization.

212744085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 212744085 is about 14585.7493808169. The cubic root of 212744085 is about 596.9699880258.

The spelling of 212744085 in words is "two hundred twelve million, seven hundred forty-four thousand, eighty-five".