212071280959 has 4 divisors (see below), whose sum is σ = 212085421816. Its totient is φ = 212057140104.

The previous prime is 212071280923. The next prime is 212071280987. The reversal of 212071280959 is 959082170212.

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

It is a cyclic number.

It is not a de Polignac number, because 212071280959 - 2¹¹ = 212071278911 is a prime.

It is a super-2 number, since 2×212071280959² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212071284959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7047909 + ... + 7077934.

It is an arithmetic number, because the mean of its divisors is an integer number (53021355454).

Almost surely, 2^212071280959 is an apocalyptic number.

212071280959 is a deficient number, since it is larger than the sum of its proper divisors (14140857).

212071280959 is a wasteful number, since it uses less digits than its factorization.

212071280959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14140856.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 212071280959 in words is "two hundred twelve billion, seventy-one million, two hundred eighty thousand, nine hundred fifty-nine".