212783308 has 12 divisors (see below), whose sum is σ = 377615952. Its totient is φ = 104893040.

The previous prime is 212783273. The next prime is 212783383. The reversal of 212783308 is 803387212.

212783308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374335 + ... + 374902.

It is an arithmetic number, because the mean of its divisors is an integer number (31467996).

Almost surely, 2^212783308 is an apocalyptic number.

It is an amenable number.

212783308 is a deficient number, since it is larger than the sum of its proper divisors (164832644).

212783308 is a wasteful number, since it uses less digits than its factorization.

212783308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749312 (or 749310 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 212783308 is about 14587.0938846639. The cubic root of 212783308 is about 597.0066729705.

The spelling of 212783308 in words is "two hundred twelve million, seven hundred eighty-three thousand, three hundred eight".