212165100550706 has 4 divisors (see below), whose sum is σ = 318247650826062. Its totient is φ = 106082550275352.

The previous prime is 212165100550699. The next prime is 212165100550721. The reversal of 212165100550706 is 607055001561212.

212165100550706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 201951355699681 + 10213744851025 = 14210959^2 + 3195895^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53041275137675 + ... + 53041275137678.

Almost surely, 2^{212165100550706} is an apocalyptic number.

212165100550706 is a deficient number, since it is larger than the sum of its proper divisors (106082550275356).

212165100550706 is a wasteful number, since it uses less digits than its factorization.

212165100550706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106082550275355.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 212165100550706 in words is "two hundred twelve trillion, one hundred sixty-five billion, one hundred million, five hundred fifty thousand, seven hundred six".