212511485 has 16 divisors (see below), whose sum is σ = 269956800. Its totient is φ = 160148736.

The previous prime is 212511473. The next prime is 212511491. The reversal of 212511485 is 584115212.

It is a cyclic number.

It is not a de Polignac number, because 212511485 - 2⁴ = 212511469 is a prime.

It is a super-2 number, since 2×212511485² = 90322262513810450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10757 + ... + 23253.

It is an arithmetic number, because the mean of its divisors is an integer number (16872300).

Almost surely, 2^212511485 is an apocalyptic number.

It is an amenable number.

212511485 is a deficient number, since it is larger than the sum of its proper divisors (57445315).

212511485 is a wasteful number, since it uses less digits than its factorization.

212511485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12700.

The product of its digits is 3200, while the sum is 29.

The square root of 212511485 is about 14577.7736640407. The cubic root of 212511485 is about 596.7523464794.

Adding to 212511485 its reverse (584115212), we get a palindrome (796626697).

The spelling of 212511485 in words is "two hundred twelve million, five hundred eleven thousand, four hundred eighty-five".