212070672706 has 4 divisors (see below), whose sum is σ = 318106009062. Its totient is φ = 106035336352.

The previous prime is 212070672641. The next prime is 212070672739. The reversal of 212070672706 is 607276070212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110666002225 + 101404670481 = 332665^2 + 318441^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53017668175 + ... + 53017668178.

Almost surely, 2^212070672706 is an apocalyptic number.

212070672706 is a deficient number, since it is larger than the sum of its proper divisors (106035336356).

212070672706 is a wasteful number, since it uses less digits than its factorization.

212070672706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106035336355.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 212070672706 in words is "two hundred twelve billion, seventy million, six hundred seventy-two thousand, seven hundred six".