212708708 has 24 divisors (see below), whose sum is σ = 388584504. Its totient is φ = 101779200.

The previous prime is 212708689. The next prime is 212708723. The reversal of 212708708 is 807807212.

It can be written as a sum of positive squares in 4 ways, for example, as 5579044 + 207129664 = 2362^2 + 14392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753 + ... + 20808.

It is an arithmetic number, because the mean of its divisors is an integer number (16191021).

Almost surely, 2^212708708 is an apocalyptic number.

It is an amenable number.

212708708 is a deficient number, since it is larger than the sum of its proper divisors (175875796).

212708708 is a wasteful number, since it uses less digits than its factorization.

212708708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23663 (or 23661 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 212708708 is about 14584.5366055970. The cubic root of 212708708 is about 596.9368963451.

The spelling of 212708708 in words is "two hundred twelve million, seven hundred eight thousand, seven hundred eight".