212959885 has 16 divisors (see below), whose sum is σ = 272799360. Its totient is φ = 159122880.

The previous prime is 212959837. The next prime is 212959897. The reversal of 212959885 is 588959212.

It is not a de Polignac number, because 212959885 - 2¹¹ = 212957837 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, 9042 + ... + 22531.

It is an arithmetic number, because the mean of its divisors is an integer number (17049960).

Almost surely, 2^212959885 is an apocalyptic number.

It is an amenable number.

212959885 is a deficient number, since it is larger than the sum of its proper divisors (59839475).

212959885 is a wasteful number, since it uses less digits than its factorization.

212959885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31668.

The product of its digits is 518400, while the sum is 49.

The square root of 212959885 is about 14593.1451373582. The cubic root of 212959885 is about 597.1717681584.

The spelling of 212959885 in words is "two hundred twelve million, nine hundred fifty-nine thousand, eight hundred eighty-five".