212182545959 has 4 divisors (see below), whose sum is σ = 217117023816. Its totient is φ = 207248068104.

The previous prime is 212182545941. The next prime is 212182545997. The reversal of 212182545959 is 959545281212.

It is a happy number.

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 212182545959 - 2¹⁶ = 212182480423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212182545959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212182505959) 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, 2467238864 + ... + 2467238949.

It is an arithmetic number, because the mean of its divisors is an integer number (54279255954).

Almost surely, 2^212182545959 is an apocalyptic number.

212182545959 is a deficient number, since it is larger than the sum of its proper divisors (4934477857).

212182545959 is an equidigital number, since it uses as much as digits as its factorization.

212182545959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934477856.

The product of its digits is 2592000, while the sum is 53.

The spelling of 212182545959 in words is "two hundred twelve billion, one hundred eighty-two million, five hundred forty-five thousand, nine hundred fifty-nine".