212136008 has 32 divisors (see below), whose sum is σ = 455044800. Its totient is φ = 90821952.

The previous prime is 212135983. The next prime is 212136011. The reversal of 212136008 is 800631212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103538 + ... + 105566.

It is an arithmetic number, because the mean of its divisors is an integer number (14220150).

Almost surely, 2^212136008 is an apocalyptic number.

212136008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212136008 is an abundant number, since it is smaller than the sum of its proper divisors (242908792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212136008 is a wasteful number, since it uses less digits than its factorization.

212136008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909 (or 3905 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 212136008 is about 14564.8895636047. The cubic root of 212136008 is about 596.4006809761.

The spelling of 212136008 in words is "two hundred twelve million, one hundred thirty-six thousand, eight".